Number of solutions of this equation *.
106896
Number of solutions of $x_1+2x_2+\cdots+kx_k=n$?
105347
How many nonnegative integer solutions are there to the pair of equations $x_1+x_2+…+x_6=20$ and $x_1+x_2+x_3=7$?
94407
Number of solutions for $x[1] + x[2] + \ldots + x[n] =k$
82137
Given a, b How many solutions exists for x, such that: $a \bmod{x}=b $
14517
Existence of solutions of the equation with a limit.
105302
Solutions of bivariate cubic Diophantine equation
156468
Solutions to $a+b+c=12$, $a, b, c \in \mathbb{N}_0$
142538
The number of solutions to an $n^{th}$ order differential equation.
10926
System of Linear Equations - how many solutions?
103165
the number of the positive integer numbers $k$ that makes for the two quadratic equations $ \pm x^2 \pm px \pm k$ rational roots.
140009
Show complex solutions exist
114379
Show that number of solutions satisfying $x^5=e$ is a multiple of 4?
112390
Solutions of $x^2 \equiv 1 \pmod N$
79
Find $a$, $b$ and $c$ that satisfy the following equations
101776
Bounded solution for an equation
72872
Number of zeroes of solution to $y''(x)+e^{x^2}y(x)=0$ in $[0,3π]$
62036
Finding the number of non-negative integral solutions of $x + y + z = 10$