Find a formula for the number of solutions to...
65763
Number of ways to write n as a sum of k nonnegative integers
8446
Number of solutions over positive integers of $x_1 + x_2 + ... + x_n = S$ for $x_i \in [0, 25]$
153170
Find the number of solutions of the equation $e^{4x}+e^{3x}-4e^{2x}+e^x+1=0$
95494
Number of solutions of an arithmetic function's equation
124787
How to find a real solution
133925
Find All Solutions to System of Congruence
46668
How to find integer solutions to $M^2=5N^2+2N+1$?
51153
Number of solutions to $x^2\equiv a\pmod m$
137652
How many solutions does the equation $n_1 + n_2 + n_3 + n_4 + n_5 = 20$ have in the positive integers if $n_1 < n_2 < n_3 < n_4 < n_5$?
69791
How to solve: T(n) = T(n - 1) + n
60902
Find general solution for the equation $1 + 2 + \cdots + (n − 1) = (n + 1) + (n + 2) + \cdots + (n + r) $
55562
Number of total possibilities for an equation
99264
the number of positive-integer solutions that satisfy $x_1\cdot x_2\cdot x_3\cdot x_4=1,000,000$?
1001
Number of integer solutions of $x^2 + y^2 = k$
126689
Find the number of natural solutions of $5^x+7^x+11^x=6^x+8^x+9^x$
82137
Given a, b How many solutions exists for x, such that: $a \bmod{x}=b $
39993
Count the number of positive solutions for a linear diophantine equation