A320729 Inverse Euler transform of A008409.

0, 4320, 61440, -8810640, -263208960, 22737197280, 1104970014720, -61319781714960, -4559126871265280, 157589681950830816, 18460588655551795200, -337394373951169867920, -73200715363477357608960, 306095068890572836888800, 283363485933298319434493952, 2600519516007145850005282800

Offset

1,2

Comments

a(n) is a multiple of 16.

Links

Seiichi Manyama, Table of n, a(n) for n = 1..549

N. J. A. Sloane, Transforms

Eric Weisstein's World of Mathematics, Barnes-Wall Lattice

Example

1 + 4320*q^2 + 61440*q^3 + 522720*q^4 + ... = (1-q^2)^(-4320) * (1-q^3)^(-61440) * (1-q^4)^8810640 * ... .

Crossrefs

Cf. A008409, A108094.

Sequence in context: A338537 A145312 A008409 * A233641 A202787 A028384

Adjacent sequences: A320726 A320727 A320728 * A320730 A320731 A320732

Keyword

sign

Author

Seiichi Manyama, Oct 20 2018

Status

approved