A027529 Second column of A027516.

1, 5, 26, 247, 2971, 11729, 17212, 22396, 30830, 157265, 210937, 13364063, 311800655, 779670085, 991056257, 610968694, 1532109175, 13111582397, 308183411213, 374393615461, 76437144605139, 11567600813171033, 3342011894016798, 7482269384462067992

Offset

2,2

Links

Table of n, a(n) for n=2..25.

Formula

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

Crossrefs

Sequence in context: A099032 A277489 A094652 * A368294 A366700 A041042

Adjacent sequences: A027526 A027527 A027528 * A027530 A027531 A027532

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 06 2019

Status

approved