25045
domain: N
Appears in sequences
- Number of partitions of n into parts not of the form 25k, 25k+10 or 25k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 11 are greater than 1.at n=38A036009
- Expansion of (1-x)^(-1)/(1-x+2*x^2+2*x^3).at n=18A077878
- Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=18A192958
- a(n) = floor((n + 1/n)^7).at n=3A197708
- Round((n+1/n)^7).at n=3A198072
- Number of ordered pairs of endofunctions f, g on a set of n elements satisfying f(f(x)) = g(g(x)).at n=5A235327
- a(n) = (sum_{k=0}^{n-1}(3k^2+3k+1)*C(n-1,k)^2*C(n+k,k)^2)/n^3, where C(n,k) denotes the binomial coefficient n!/(k!*(n-k)!).at n=4A246512