A028210 Expansion of 1/((1-6x)(1-8x)(1-9x)(1-10x)).

1, 33, 685, 11445, 168301, 2275413, 28994365, 353654565, 4172013901, 47945991093, 539606148445, 5970648969285, 65146124616301, 702577801647573, 7503184109388925, 79467822863509605, 835719501138799501

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (33,-404,2172,-4320)

Formula

a(n) = 19*a(n-1) - 90*a(n-2) + 4*8^n - 3*6^n, n >= 2. - Vincenzo Librandi, Mar 13 2011

a(n) = -9*6^n + 125*10^n + 2*8^(n+2) - 3*9^(n+2). - R. J. Mathar, Mar 18 2011

Crossrefs

Sequence in context: A365645 A083956 A164761 * A028205 A028191 A028203

Adjacent sequences: A028207 A028208 A028209 * A028211 A028212 A028213

Keyword

nonn

Author

N. J. A. Sloane

Status

approved