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A024113 a(n) = 9^n-n^12. 1
1, 8, -4015, -530712, -16770655, -244081576, -2176250895, -13836504232, -68676430015, -282042115992, -996513215599, -3107047317112, -8633670911775, -20756219294152, -33817119920335, 76144794204024, 1571545212141185, 16094559462436808, 148937803915572945 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (22,-195,988,-3289,7722,-13299,17160,-16731,12298,-6721,2652,-715,118,-9).
FORMULA
a(n) = A001019(n) - A008456(n). - Wesley Ivan Hurt, May 25 2014
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
MAPLE
A024113:=n->9^n - n^12; seq(A024113(n), n=0..20); # Wesley Ivan Hurt, May 25 2014
MATHEMATICA
Table[9^n - n^12, {n, 0, 20}] (* Wesley Ivan Hurt, May 25 2014 *)
PROG
(Magma) [9^n-n^12: n in [0..20]]; // Vincenzo Librandi, Jun 30 2011
CROSSREFS
Sequence in context: A221109 A221243 A351409 * A167059 A013742 A209592
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Jun 14 1998
STATUS
approved

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Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)