A022751 Expansion of 1/Product_{m>=1} (1 - m*q^m)^27.

1, 27, 432, 5193, 51624, 446094, 3454767, 24472584, 160883037, 992189253, 5788156617, 32151489435, 170956128834, 873959259258, 4311311541669, 20586621297483, 95404964600448, 430094901683700

Offset

0,2

Comments

This sequence is obtained from the generalized Euler transform in A266964 by taking f(n) = 27, g(n) = n. - Seiichi Manyama, Aug 17 2023

Links

Seiichi Manyama, Table of n, a(n) for n = 0..5000

Formula

a(0) = 1; a(n) = (27/n) * Sum_{k=1..n} A078308(k) * a(n-k). - Seiichi Manyama, Aug 17 2023

Crossrefs

Column k=27 of A297328.

Cf. A078308.

Sequence in context: A096950 A307911 A125484 * A004326 A233022 A289902

Adjacent sequences: A022748 A022749 A022750 * A022752 A022753 A022754

Keyword

nonn

Author

N. J. A. Sloane

Status

approved