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A028197
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Expansion of 1/((1-5x)(1-9x)(1-10x)(1-12x)).
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0
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1, 36, 823, 15270, 251161, 3822096, 55123003, 764718570, 10305415021, 135822156756, 1759270703983, 22475843025870, 283991223372481, 3556423423325016, 44213833662081763, 546396746667037170
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 22*a(n-1) - 120*a(n-2) + (9^(n+1) - 5^(n+1))/4, n >= 2. - Vincenzo Librandi, Mar 12 2011
a(n) = -5^(n+2)/28 - 10^(n+2) + 2*12^(n+2)/7 + 3*9^(n+2)/4. - R. J. Mathar, Mar 18 2011
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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