A026006 Expansion of 1/((1-2x)*(1-5x)*(1-8x)*(1-12x)).

1, 27, 483, 7271, 100083, 1308831, 16594651, 206375367, 2535071715, 30892653935, 374502469419, 4524435989463, 54536889623347, 656393971978239, 7892348208238587, 94833193717469159, 1138998700671586179, 13675988688120352143, 164175904855763370955, 1970623214844857144055, 23651577589689577971411

Offset

0,2

Links

Table of n, a(n) for n=0..20.

Index entries for linear recurrences with constant coefficients, signature (27,-246,872,-960).

Formula

a(n) = -2*2^n/45 +125*5^n/63 -64*8^n/9 +216*12^n/35. - R. J. Mathar, Jun 20 2013

Crossrefs

Sequence in context: A109821 A057494 A024439 * A024346 A025983 A081139

Adjacent sequences: A026003 A026004 A026005 * A026007 A026008 A026009

Keyword

nonn,easy,changed

Author

N. J. A. Sloane

Extensions

More terms from Michel Marcus, Jun 29 2026

Status

approved