show only certain (first 4 positive) numbers of the sequence
show only certain (first 4 positive) numbers of the sequence

uucidl/exp.transducers-in-c,uucidl/pre.transducers-in-c,uucidl/pre.transducers-in-c,uucidl/exp.transducers-in-c,uucidl/exp.transducers-in-c,uucidl/pre.transducers-in-c