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A028112
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Expansion of 1/((1-4x)(1-5x)(1-6x)(1-10x)).
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0
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1, 25, 401, 5285, 62601, 696045, 7442401, 77640805, 797399801, 8108665565, 81939294801, 824736146325, 8280574247401, 83010854259085, 831368657137601, 8321395551579845, 83260955156605401, 832895295388684605
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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)=(10^(n+3)-15*6^(n+3)+24*5^(n+3)-10*4^(n+3))/120. [Yahia Kahloune, Jun 11 2013]
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MAPLE
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[seq( (10^(n+3)-15*6^(n+3)+24*5^(n+3)-10*4^(n+3))/120, n=0..40)];
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MATHEMATICA
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CoefficientList[Series[1/((1-4x)(1-5x)(1-6x)(1-10x)), {x, 0, 20}], x] (* or *) LinearRecurrence[ {25, -224, 860, -1200}, {1, 25, 401, 5285}, 20] (* Harvey P. Dale, Apr 13 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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