A028070 Expansion of 1/((1-3x)(1-5x)(1-9x)(1-12x)).

1, 29, 550, 8690, 124531, 1684079, 21954280, 279351380, 3496283461, 43256856929, 530819707210, 6475595107670, 78659578436791, 952489924910579, 11507069203563340, 138779617656909560, 1671608878215416521

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (29, -291, 1179, -1620).

Formula

a(n)=(8*12^(n+3)-21*9^(n+3)+27*5^(n+3)-14*3^(n+3))/1512. [Yahia Kahloune, May 27 2013].

Crossrefs

Sequence in context: A028082 A028010 A028071 * A028002 A028008 A042628

Adjacent sequences: A028067 A028068 A028069 * A028071 A028072 A028073

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved