A027531 - OEIS

A027531

First column of A027517.

1, 7, 85, 814, 102727, 12277291, 46825417, 65344835, 84274153, 112772640, 2289634277, 3032809277, 19401126651121, 4053853857998431, 20352163396468207, 25839812150858087, 16032124053604289, 40337156045251101, 2434594429238659671, 1093231405659415842773

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

FORMULA

Numerators of sequence a[1, 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: A027459 A329108 A162160 * A155459 A155631 A126344

Adjacent sequences: A027528 A027529 A027530 * A027532 A027533 A027534

KEYWORD

nonn

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Sean A. Irvine, Nov 06 2019

STATUS

approved