A027528 First column of A027516.

1, 3, 11, 38, 316, 3183, 11265, 14759, 17862, 22567, 107889, 136101, 8146735, 180468251, 431027647, 523109219, 309378032, 747071157, 6153823083, 139774726451, 164308335281, 32500833537583, 4771179318480649, 1340785041542709, 2918458761810452241

Offset

1,2

Links

Table of n, a(n) for n=1..25.

Formula

Numerators of sequence a[1, n] in A=(b[i, j])^2 where b[i, j] = A008284(i, j) / Partitions(i) if j<=i, 0 if j>i.

Crossrefs

Cf. A027516, A008284.

Sequence in context: A295263 A018961 A178624 * A192528 A112674 A064086

Adjacent sequences: A027525 A027526 A027527 * A027529 A027530 A027531

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 06 2019

Status

approved