number of odd coefficients in the expansion of $(1+x)^n$
45672
Even/Odd Binomial Coefficients
155245
root of an odd degree polynomial
138082
What are the coefficients in the expansion of $(x+y)(x+2y) \cdots (x+ny)$?
99502
Question on the coefficients of $(1+x+x^2+x^3+x^4)^{496}$
20443
Calculate sum of squares of first $n$ odd numbers
27063
Prove that if n is an odd positive integer , then $n^2\equiv1\mod8$
92416
About a sum of Legendre symbols associated to an odd prime
131468
Summation of Central Binomial Coefficients divided by even powers of $2$
74596
Coefficient growth in the power series $\sum u_n z^n = e^{1/(1-z)}$?
140172
How to compute the Riemann sum of $x^n$ for any positive integer $n$?
45037
Show $(2^m-1,2^n+1)=1$ if $m$ is odd
79219
Prove that $a^{2^n} \equiv 1 \pmod{2^{n+2}},$ where $a$ is an odd integer.
1379
Summation of $n^2x^n$ terms
89175
Proof of $(a+b)^{n+1}$
151384
Summation of series involving binomial coefficients and polynomial of degree at most n-1
114506
Expansion of $(1+\sqrt{2})^n$
8806
Summation of binomial coefficients