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A026149
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Expansion of 1/((1-2x)(1-5x)(1-10x)(1-11x)).
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0
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1, 28, 517, 7980, 111741, 1473948, 18687397, 230431180, 2784091981, 33121756668, 389323047477, 4532472142380, 52356786665821, 600922618820188, 6860138634498757, 77961474116861580, 882575960972337261
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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) = -2^n/27 + 25*5^n/18 - 25*10^n + 1331*11^n/54. - R. J. Mathar, Jun 23 2013
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MATHEMATICA
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Table[SeriesCoefficient[1/((1 - 2x)(1 - 5x)(1 - 10x)(1 - 11x)), {x, 0, n}], {n, 0, 19}] (* Alonso del Arte, Jul 05 2019 *)
LinearRecurrence[{28, -267, 980, -1100}, {1, 28, 517, 7980}, 20] (* Harvey P. Dale, Oct 28 2022 *)
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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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