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A017623
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a(n) = (12*n + 8)^7.
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1
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2097152, 1280000000, 34359738368, 319277809664, 1727094849536, 6722988818432, 20971520000000, 55784660123648, 131593177923584, 282621973446656, 562949953421312, 1054135040000000, 1874584905187328
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: 16384*(x^7 + 16376*x^6 + 692499*x^5 + 3870352*x^4 + 4890287*x^3 + 1475736*x^2 + 77101*x + 128)/(x-1)^8. - Colin Barker, Aug 17 2012
E.g.f.: 16384*(128 +77997*x +970515*x^2 +2238327*x^3 +1655640*x^4 +479682*x^5 +56133*x^6 +2187*x^7)*exp(x). - G. C. Greubel, Nov 08 2018
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MATHEMATICA
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PROG
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(PARI) vector(20, n, n--; (12*n+8)^7) \\ G. C. Greubel, Nov 08 2018
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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