51543
domain: N
Appears in sequences
- Lucky numbers with smallest increasing gaps (upper terms).at n=33A031885
- Number T(n,k) of sets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the set; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=39A319501
- Number of sets of nonempty words with a total of n letters over ternary alphabet such that all letters occur at least once in the set.at n=5A320204
- Number of green nodes in n-th power graph W exponentiation of a cycle graph with 7 blue nodes and one green node.at n=5A331211
- Expansion of (-1 + Product_{k>=1} 1 / (1 + (-x)^k))^9.at n=15A341251