A017253 a(n) = (9*n + 7)^9.

40353607, 68719476736, 3814697265625, 60716992766464, 502592611936843, 2779905883635712, 11694146092834141, 40353607000000000, 119851595982618319, 316478381828866048, 760231058654565217, 1689478959002692096

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

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

Mathematica

(9Range[0, 12]+7)^9  (* Harvey P. Dale, Feb 17 2011 *)

Prog

(Magma) [(9*n+7)^9: n in [0..20]]; // Vincenzo Librandi, Jul 27 2011

Crossrefs

Sequence in context: A016929 A016989 A017157 * A017361 A017481 A017613

Adjacent sequences: A017250 A017251 A017252 * A017254 A017255 A017256

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved