number of nonnegative integer solutions of linear equation $ x + y + z = n$, where $x\le y\le z$
114996
$x+y+z=n$. Finding the number of solutions.
56898
Number of monomials of certain degree
35066
Nature and number of solutions to $xy=x+y$
106729
Least Value Of $x+y+z$
22840
The sum of the first $n$ squares is a square: a system of two Pell-type-equations
30412
How many solutions does the equation $x_1 + x_2 + x_3 = 14$ have, where $x_1$ , $x_2$ , $x_3$ are non-negative integers.
106271
Solutions of Diophantine equations in Natural numbers
96185
Solutions of $x^2+y^2+z^2 = n$ in $\mathbb{Z}_2$.
118368
number of real solution of logarithmic and exponential equation
30126
Linear Diophantine Equations in Three Variables
152342
$x_1+x_2+\cdots+x_n\leq M$: Cardinality of Solution Set is $C(M+n, n)$
123159
Solutions of the diophantine equation $x+y+z=xyz$?
142538
The number of solutions to an $n^{th}$ order differential equation.
71361
Prove that $x^x+y^y=z^z$ doesn't have integer solutions
23866
Do there exist an infinite number of integer-solutions $(x,y,z)$ of $x^x\cdot y^y=z^z$ where $1\lt x\le y$?
70662
How many non-negative integer solutions does the equation $3x + y + z = 24$ have?
33469
Diophantine equation $ax + by = c$ has an integer solution $x_0, y_0$ if and only if $\gcd(a,b)|c$