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A085352 Expansion of (1-4x)/((1-5x)(1-6x)). 3
1, 7, 47, 307, 1967, 12427, 77687, 481747, 2968607, 18202267, 111166727, 676765987, 4109424047, 24900684907, 150624812567, 909852391027, 5489631924287, 33090379436347, 199305216071207, 1199645993692867 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Binomial transform of A085351. Binomial transform is A085353.

LINKS

Colin Barker, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (11,-30).

FORMULA

a(n) = 2*6^n - 5^n.

a(n) = 11*a(n-1) - 30*a(n-2) for n>1. - Colin Barker, Jul 07 2020

PROG

(PARI) Vec((1 - 4*x) / ((1 - 5*x)*(1 - 6*x)) + O(x^20)) \\ Colin Barker, Jul 07 2020

CROSSREFS

Cf. A085351, A085353.

Sequence in context: A323131 A229010 A126635 * A125370 A163346 A186446

Adjacent sequences: A085349 A085350 A085351 * A085353 A085354 A085355

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jun 24 2003

STATUS

approved

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Last modified December 8 23:48 EST 2022. Contains 358698 sequences. (Running on oeis4.)