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A024113
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a(n) = 9^n-n^12.
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1
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1, 8, -4015, -530712, -16770655, -244081576, -2176250895, -13836504232, -68676430015, -282042115992, -996513215599, -3107047317112, -8633670911775, -20756219294152, -33817119920335, 76144794204024, 1571545212141185, 16094559462436808, 148937803915572945
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OFFSET
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0,2
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (22,-195,988,-3289,7722,-13299,17160,-16731,12298,-6721,2652,-715,118,-9).
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FORMULA
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G.f.: (8*x^13 +36759*x^12 +4300278*x^11 +91211180*x^10 +586677866*x^9 +1396293387*x^8 +1300096572*x^7 +434355696*x^6 +25369404*x^5 -5882531*x^4 -441810*x^3 -3996*x^2 -14*x +1) / ((x -1)^13*(9*x -1)). - Colin Barker, May 26 2014
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MAPLE
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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STATUS
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approved
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