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 A028106 Expansion of 1/((1-3x)(1-9x)(1-10x)(1-12x)). 1
 1, 34, 745, 13390, 214981, 3211234, 45646225, 626042230, 8359948861, 109374928234, 1408284704905, 17904343620670, 225325039105141, 2812442423778034, 34869043816790785, 429934709807000710 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 FORMULA a(n) = (7*12^(n+3)-27*10^(n+3)+21*9^(n+3)-3^(n+3))/378. - Yahia Kahloune, May 29 2013 MATHEMATICA CoefficientList[Series[1 / ((1 - 3 x) (1 - 9 x) (1 - 10 x) (1 - 12 x)), {x, 0, 20}], x] (* Vincenzo Librandi, Jul 11 2013 *) CROSSREFS Sequence in context: A028159 A028179 A028154 * A028104 A295050 A295378 Adjacent sequences: A028103 A028104 A028105 * A028107 A028108 A028109 KEYWORD nonn,easy AUTHOR N. J. A. Sloane. STATUS approved

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Last modified June 5 04:55 EDT 2023. Contains 363130 sequences. (Running on oeis4.)