A027526 - OEIS

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A027526

Second diagonal of A027518.

15, 65, 544, 95904, 27540000, 24685024, 8997919, 3085628, 1181928, 29115625, 11863125, 2480664960000, 1568086049632256, 5407450595090173, 2421230660560125, 548614676480000, 511258237124608, 82285752611980800, 272004181082358372864, 131863370410536093000

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..21.

FORMULA

Numerators of sequence a[n, n-1] in A=(b[i, j])^4 where b[i, j] = A008284(i, j) / Partitions(i) if j<=i, 0 if j>i.

CROSSREFS

Sequence in context: A152729 A055268 A090026 * A334802 A284898 A033653

Adjacent sequences: A027523 A027524 A027525 * A027527 A027528 A027529

KEYWORD

nonn

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Sean A. Irvine, Nov 06 2019

STATUS

approved