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A168225 a(n) = n^4*(n^7 + 1)/2. 1
0, 1, 1032, 88614, 2097280, 24414375, 181399176, 988664572, 4294969344, 15690533085, 50000005000, 142655842626, 371504195712, 896080211299, 2024782604040, 4324877955000, 8796093054976, 17135948195577 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (12, -66, 220, -495, 792, -924, 792, -495, 220, -66, 12, -1).
FORMULA
G.f.: (x + 1020*x^2 + 76296*x^3 + 1101804*x^4 + 4868994*x^5 + 7862124*x^6 + 4869120*x^7 + 1101684*x^8 + 76341*x^9 + 1016*x^10)/(1 - x)^12. - G. C. Greubel, Jul 16 2016
MATHEMATICA
Table[n^4*(n^7 + 1)/2, {n, 0, 50}] (* G. C. Greubel, Jul 16 2016 *)
LinearRecurrence[{12, -66, 220, -495, 792, -924, 792, -495, 220, -66, 12, -1}, {0, 1, 1032, 88614, 2097280, 24414375, 181399176, 988664572, 4294969344, 15690533085, 50000005000, 142655842626}, 20] (* Harvey P. Dale, Sep 23 2021 *)
PROG
(Magma) [n^4*(n^7+1)/2: n in [0..20]]; // Vincenzo Librandi, Aug 28 2011
CROSSREFS
Sequence in context: A282357 A224428 A283724 * A282576 A122716 A031609
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 11 2009
STATUS
approved

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Last modified May 24 23:50 EDT 2024. Contains 372782 sequences. (Running on oeis4.)