A128334 Binomial transform of A000594.

1, -23, 205, -787, 359, 5783, -6385, -37081, 17210, 227818, 207502, -903794, -2770316, -781676, 12916864, 33809824, 14626657, -136878335, -429603495, -457265511, 896559927, 4785900479, 9273770315, 3563043827, -34668142443, -121610583387, -203559300831

Offset

1,2

Links

Nathaniel Johnston, Table of n, a(n) for n = 1..1000

Formula

A007318 * A000594.

Example

a(3) = 205 = 1*1 + 2*(-24) + 1*252.

Mathematica

a[n_] := Sum[Binomial[n-1, k-1] * RamanujanTau[k], {k, 1, n}]; Array[a, 27] (* Amiram Eldar, Jan 08 2025 *)

Crossrefs

Cf. A000594, A007318.

Sequence in context: A060882 A367182 A221670 * A107956 A022683 A042020

Adjacent sequences: A128331 A128332 A128333 * A128335 A128336 A128337

Keyword

sign,easy

Author

Gary W. Adamson, Feb 26 2007

Extensions

Extended by Nathaniel Johnston, May 06 2011

Status

approved