A027532 Second column of A027517.

1, 19, 253, 38329, 5271157, 22745055, 34733236, 48536512, 69541407, 1505516837, 2094216333, 14126589900065, 3077900707461343, 16104876244330861, 21201207307647365, 13638680488774543, 35365166170879735, 2203272589358158781, 1016335571542542665159

Offset

2,2

Links

Table of n, a(n) for n=2..20.

Formula

Numerators of sequence a[2, n] in A=(b[i, j])^3 where b[i, j] = A008284(i, j) / Partitions(i) if j<=i, 0 if j>i.

Crossrefs

Sequence in context: A055433 A185425 A009728 * A021394 A016316 A021154

Adjacent sequences: A027529 A027530 A027531 * A027533 A027534 A027535

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 06 2019

Status

approved