57460
domain: N
Appears in sequences
- Coordination sequence for A_4 lattice.at n=17A008383
- Number of (3412,2341)-, (3412,4123)- and (3412,52341)-avoiding involutions in S_n.at n=14A085584
- a(n) = n*(n^4 + 30*n^3 + 395*n^2 + 2910*n + 11064)/120.at n=17A090391
- Number of integer sequences of length n+1 with sum zero and sum of absolute values 34.at n=3A157066
- a(n) = (3*n+7)*n^2.at n=26A257042
- Number of 3 X n binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.at n=14A266429
- Number of 3Xn 0..1 arrays with every element equal to 0, 1, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=15A302681
- Numbers that are the sum of six fourth powers in six or more ways.at n=22A345563
- Numbers that are the sum of six fourth powers in exactly six ways.at n=17A345818
- a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero dodecahedral numbers in exactly n ways, or -1 if no such integer exists.at n=21A360216
- Numbers k for which there exists m such that the sum from 1 to m and the sum from m + 1 to k are both perfect squares.at n=41A388659