A027544 - OEIS

A027544

Second diagonal of A027539.

15, 160, 935, 4056, 14763, 48000, 144495, 411640, 1125443, 2980704, 7696455, 19463640, 48370395, 118431232, 286252511, 684101880, 1618621875, 3795700320, 8829881655, 20392492120, 46787204555, 106702788480, 242010980175, 546131512056, 1226682431523

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..26.

FORMULA

Numerators of sequence a[n, n-1] in A=(b[i, j])^4 where b[i, j] = A008292(i, j) / i! if j<=i, 0 if j>i.

CROSSREFS

Sequence in context: A232415 A016297 A206811 * A021048 A095685 A263514

Adjacent sequences: A027541 A027542 A027543 * A027545 A027546 A027547

KEYWORD

nonn

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Sean A. Irvine, Nov 07 2019

STATUS

approved