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 A170797 a(n) = n^10*(n^5+1)/2. 7
 0, 1, 16896, 7203978, 537395200, 15263671875, 235122725376, 2373921992596, 17592722915328, 102947309439525, 500005000000000, 2088637053420126, 7703541745975296, 25593015436291303, 77784192406233600 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..10000 Index entries for linear recurrences with constant coefficients, signature (16,-120,560,-1820,4368,-8008,11440,-12870,11440,-8008,4368,-1820,560,-120,16,-1). FORMULA G.f.: x*(15872*x^13 +6890977*x^12 +423932400*x^11 +7520863426*x^10 +51389080880*x^9 +155692452591*x^8 +223769408736*x^7 +155695145820*x^6 +51387918048*x^5 +7520366095*x^4 +424158512*x^3 +6933762*x^2 +16880*x +1) / (x-1)^16. - Colin Barker, Nov 01 2014 a(n) = 16*a(n-1) - 120*a(n-2) + 560*a(n-3) - 1820*a(n-4) + 4368*a(n-5) - 8008*a(n-6) + 11440*a(n-7) - 12870*a(n-8) + 11440*a(n-9) - 8008*a(n-10) + 4368*a(n-11) - 1820*a(n-12) + 560*a(n-13) - 120*a(n-14) + 16*a(n-15) - a(n-16) for n > 15. - Wesley Ivan Hurt, Aug 10 2016 E.g.f.: x*(2 +16894*x +2384431*x^2 +42390055*x^3 +210809445*x^4 + 420716100*x^5 +408747213*x^6 +216628590*x^7 +67128535*x^8 +12662651*x^9 +1479478*x^10 +106470*x^11 +4550*x^12 +105*x^13 +x^14)*exp(x)/2. - G. C. Greubel, Oct 11 2019 MAPLE A170797:=n->n^10*(n^5+1)/2: seq(A170797(n), n=0..20); # Wesley Ivan Hurt, Aug 10 2016 MATHEMATICA Table[n^10*(n^5 + 1)/2, {n, 0, 15}] (* Wesley Ivan Hurt, Aug 10 2016 *) PROG (MAGMA)[n^10*(n^5+1)/2: n in [0..20]]; // Vincenzo Librandi, Aug 26 2011 (PARI) vector(21, m, (m-1)^10*((m-1)^5 + 1)/2) \\ G. C. Greubel, Oct 11 2019 (Sage) [n^10*(n^5 +1)/2 for n in (0..20)] # G. C. Greubel, Oct 11 2019 (GAP) List([0..20], n-> n^10*(n^5 +1)/2); # G. C. Greubel, Oct 11 2019 CROSSREFS Sequences of the form n^10*(n^m + 1)/2: A170793 (m=1), A170794 (m=2), A170795 (m=3), A170796 (m=4), this sequence (m=5), A170798 (m=6), A170799 (m=7), A170800 (m=8), A170801 (m=9), A170802 (m=10). Sequence in context: A234699 A204639 A233986 * A259426 A200973 A190935 Adjacent sequences:  A170794 A170795 A170796 * A170798 A170799 A170800 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Dec 11 2009 STATUS approved

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Last modified January 22 23:50 EST 2022. Contains 350504 sequences. (Running on oeis4.)