Express a set of number with binomial coefficients in terms of $n$
37952
How to show the number of domains the disk is split into is $1+ C_n^2 + C_n^4$?
112827
Find the sum of the binomial coefficients
119046
Expressing a positive integer as a sum of positive integers
20478
Mathematical expression for $n$ largest values in a set
65763
Number of ways to write n as a sum of k nonnegative integers
106008
Combinatorial Identity $(n-r) \binom{n+r-1}{r} \binom{n}{r} = n \binom{n+r-1}{2r} \binom{2r}{r}$
42606
Orthogonality for Binomial Coefficients
77799
Determine the set of units $(\Bbb Z/n\Bbb Z)^\times$ for different values of $n$
67844
Prove equation with binomial coefficient
91648
Binomial coefficient proof
44577
Finding a formula to sum natural numbers up to $n$
59638
How to prove this result on binomial coefficients?
11359
Determine the Set of a Sum of Numbers
140607
Squared binomial coefficient
65335
A "binomial" generalization of harmonic numbers
482
Express $1 + \frac {1}{2} \binom{n}{1} + \frac {1}{3} \binom{n}{2} + \dotsb + \frac{1}{n + 1}\binom{n}{n}$ in a simplifed form
113331
Number of ways a natural number can be written as sum of smaller natural number