25142
domain: N
Appears in sequences
- Number of 4 X n nonnegative integer matrices with all column sums 4, up to row and column permutation.at n=5A058410
- Number of Motzkin meanders of length n with an even number of humps.at n=11A307555
- a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists.at n=19A360215
- Number of non-knapsack integer partitions of n.at n=38A366754
- Number of compositions of 7*n-1 into parts 6 and 7.at n=15A373933
- a(n) = Sum_{k=0..floor(n/2)} binomial(k,3*(n-2*k)).at n=37A392253
- a(n) = Sum_{k=0..floor(n/3)} binomial(k+1,2*n-6*k+1).at n=52A392490