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A168116 a(n) = n*(n^8+1)/2. 2
0, 1, 257, 9843, 131074, 976565, 5038851, 20176807, 67108868, 193710249, 500000005, 1178973851, 2579890182, 5302249693, 10330523399, 19221679695, 34359738376, 59293938257, 99179645193, 161343848899, 256000000010, 397140023301, 603634608907 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (10,-45,120,-210,252,-210,120,-45,10,-1).

FORMULA

G.f. x*(1 + 247*x + 7318*x^2 + 44089*x^3 + 78130*x^4 + 44089*x^5 + 7318*x^6 + 247*x^7 + x^8)/(1 - x)^10. - R. J. Mathar, Oct 13 2011

MATHEMATICA

Table[n*(n^8 + 1)/2, {n, 0, 50}] (* G. C. Greubel, Jul 13 2016 *)

PROG

(MAGMA) [n*(n^8+1)/2: n in [0..25]]; // Vincenzo Librandi, Jul 14 2016

CROSSREFS

Sequence in context: A023877 A301552 A279641 * A086022 A125649 A219549

Adjacent sequences:  A168113 A168114 A168115 * A168117 A168118 A168119

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 11 2009

STATUS

approved

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Last modified August 23 13:45 EDT 2019. Contains 326227 sequences. (Running on oeis4.)