A016809 (4n)^9.

0, 262144, 134217728, 5159780352, 68719476736, 512000000000, 2641807540224, 10578455953408, 35184372088832, 101559956668416, 262144000000000, 618121839509504, 1352605460594688, 2779905883635712

Offset

0,2

Links

Table of n, a(n) for n=0..13.

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

Mathematica

(4Range[0, 15])^9 (* Alonso del Arte, Oct 05 2017 *)

Prog

(PARI) a(n)=(4*n)^9 \\ Charles R Greathouse IV, Oct 06 2017

Crossrefs

Sequence in context: A017490 A017622 A250860 * A018879 A016905 A017700

Adjacent sequences: A016806 A016807 A016808 * A016810 A016811 A016812

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved