A082413 - OEIS

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A082413

(2*9^n+3^n)/3.

1, 7, 57, 495, 4401, 39447, 354537, 3189375, 28700001, 258286887, 2324542617, 20920765455, 188286534801, 1694577750327, 15251196564297, 137260759512735, 1235346806916801, 11118121176157767, 100063090327139577, 900567812169415215 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Binomial transform of A082412.`
	LINKS	`Nathaniel Johnston, Table of n, a(n) for n = 0..250`
	FORMULA	`G.f.: (1-5x)/((1-3x)(1-9x)); E.g.f.: (2exp(9x)+exp(3x))/3.` `a(n)=(29^n+3^n)/3.`
	MAPLE	`seq((2*9^n+3^n)/3, n=0..19); # Nathaniel Johnston, Jun 26 2011`
	CROSSREFS	`Cf. A082412, A082414.` `Sequence in context: A082310 A014990 A015565 * A142990 A202250 A147689` `Adjacent sequences: A082410 A082411 A082412 * A082414 A082415 A082416`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 23 2003`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.