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A120465 a(0)=1, a(1)=36, a(n)=204*a(n-2). 0
1, 36, 204, 7344, 41616, 1498176, 8489664, 305627904, 1731891456, 62348092416, 353305857024, 12719010852864, 72074394832896, 2594678213984256, 14703176545910784, 529314355652788224, 2999448015365799936 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

PROG

(PARI) Vec((1+36*x)/(1-204*x^2)+O(x^66))

CROSSREFS

Sequence in context: A255093 A017138 A304378 * A144523 A232677 A232670

Adjacent sequences:  A120462 A120463 A120464 * A120466 A120467 A120468

KEYWORD

nonn,easy

AUTHOR

Roger L. Bagula, Jul 02 2006

EXTENSIONS

Edited by N. J. A. Sloane, Dec 04 2006

STATUS

approved

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Last modified August 4 08:20 EDT 2020. Contains 336201 sequences. (Running on oeis4.)