Reformat Pow singleton definitions as table, exclude expr with nan
Reformat Pow singleton definitions as table, exclude expr with nan

saurabhjn76/sympy,oliverlee/sympy,souravsingh/sympy,toolforger/sympy,garvitr/sympy,liangjiaxing/sympy,farhaanbukhsh/sympy,Shaswat27/sympy,sunny94/temp,mafiya69/sympy,Gadal/sympy,pandeyadarsh/sympy,aktech/sympy,madan96/sympy,jbbskinny/sympy,iamutkarshtiwari/sympy,iamutkarshtiwari/sympy,jerli/sympy,jaimahajan1997/sympy,Sumith1896/sympy,toolforger/sympy,debugger22/sympy,jamesblunt/sympy,cccfran/sympy,shikil/sympy,MechCoder/sympy,abloomston/sympy,farhaanbukhsh/sympy,vipulroxx/sympy,jerli/sympy,jbbskinny/sympy,atsao72/sympy,beni55/sympy,moble/sympy,sahmed95/sympy,yashsharan/sympy,maniteja123/sympy,ChristinaZografou/sympy,ahhda/sympy,AunShiLord/sympy,ga7g08/sympy,grevutiu-gabriel/sympy,sahmed95/sympy,mafiya69/sympy,meghana1995/sympy,hargup/sympy,Designist/sympy,cccfran/sympy,debugger22/sympy,kumarkrishna/sympy,pandeyadarsh/sympy,shipci/sympy,Shaswat27/sympy,jamesblunt/sympy,AunShiLord/sympy,Gadal/sympy,garvitr/sympy,kevalds51/sympy,Shaswat27/sympy,aktech/sympy,mcdaniel67/sympy,Davidjohnwilson/sympy,wanglongqi/sympy,shikil/sympy,maniteja123/sympy,dqnykamp/sympy,postvakje/sympy,yashsharan/sympy,kaichogami/sympy,abloomston/sympy,Mitchkoens/sympy,pbrady/sympy,kaushik94/sympy,mafiya69/sympy,rahuldan/sympy,Curious72/sympy,Sumith1896/sympy,skidzo/sympy,sampadsaha5/sympy,wyom/sympy,emon10005/sympy,madan96/sympy,chaffra/sympy,kumarkrishna/sympy,sahilshekhawat/sympy,lindsayad/sympy,emon10005/sympy,ChristinaZografou/sympy,asm666/sympy,maniteja123/sympy,AkademieOlympia/sympy,jamesblunt/sympy,kaushik94/sympy,emon10005/sympy,chaffra/sympy,kaichogami/sympy,postvakje/sympy,atreyv/sympy,asm666/sympy,abhiii5459/sympy,MridulS/sympy,bukzor/sympy,liangjiaxing/sympy,wyom/sympy,farhaanbukhsh/sympy,sampadsaha5/sympy,aktech/sympy,meghana1995/sympy,wyom/sympy,vipulroxx/sympy,drufat/sympy,hargup/sympy,pbrady/sympy,skirpichev/omg,souravsingh/sympy,Vishluck/sympy,skidzo/sympy,MridulS/sympy,ahhda/sympy,atsao72/sympy,abhiii5459/sympy,chaffra/sympy,beni55/sympy,yukoba/sympy,sahilshekhawat/sympy,vipulroxx/sympy,grevutiu-gabriel/sympy,AunShiLord/sympy,oliverlee/sympy,atreyv/sympy,liangjiaxing/sympy,Curious72/sympy,dqnykamp/sympy,grevutiu-gabriel/sympy,Arafatk/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,Arafatk/sympy,shipci/sympy,shikil/sympy,cswiercz/sympy,kevalds51/sympy,bukzor/sympy,bukzor/sympy,ga7g08/sympy,moble/sympy,Arafatk/sympy,saurabhjn76/sympy,Titan-C/sympy,moble/sympy,souravsingh/sympy,jaimahajan1997/sympy,sunny94/temp,diofant/diofant,debugger22/sympy,lindsayad/sympy,Curious72/sympy,skidzo/sympy,toolforger/sympy,atsao72/sympy,Designist/sympy,Davidjohnwilson/sympy,lindsayad/sympy,VaibhavAgarwalVA/sympy,jerli/sympy,hargup/sympy,kumarkrishna/sympy,wanglongqi/sympy,rahuldan/sympy,ga7g08/sympy,abloomston/sympy,pandeyadarsh/sympy,AkademieOlympia/sympy,postvakje/sympy,saurabhjn76/sympy,cswiercz/sympy,beni55/sympy,MechCoder/sympy,kevalds51/sympy,atreyv/sympy,Gadal/sympy,sahmed95/sympy,Sumith1896/sympy,sunny94/temp,wanglongqi/sympy,kaushik94/sympy,iamutkarshtiwari/sympy,VaibhavAgarwalVA/sympy,VaibhavAgarwalVA/sympy,AkademieOlympia/sympy,MridulS/sympy,garvitr/sympy,ChristinaZografou/sympy,ahhda/sympy,Titan-C/sympy,MechCoder/sympy,jbbskinny/sympy,mcdaniel67/sympy,sahilshekhawat/sympy,yukoba/sympy,yashsharan/sympy,abhiii5459/sympy,Davidjohnwilson/sympy,Mitchkoens/sympy,drufat/sympy,drufat/sympy,Titan-C/sympy,cswiercz/sympy,cccfran/sympy,pbrady/sympy,Designist/sympy,asm666/sympy,Vishluck/sympy,oliverlee/sympy,meghana1995/sympy,yukoba/sympy,madan96/sympy,dqnykamp/sympy,Mitchkoens/sympy,shipci/sympy,Vishluck/sympy,kaichogami/sympy,rahuldan/sympy,mcdaniel67/sympy