A083324 - OEIS

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A083324

An alternating sum of decreasing powers.

1, 3, 11, 45, 191, 813, 3431, 14325, 59231, 242973, 990551, 4019205, 16249871, 65522733, 263668871, 1059425685, 4251986111, 17050860093, 68332318391, 273716169765, 1096025891951, 4387588255053, 17560809179111, 70274609387445 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Binomial transform of A083323`
	FORMULA	`a(n)=4^n-3^n+2^n G.f. (1-6x+10x^2)/((1-2x)(1-3x)(1-4x)) E.g.f. exp(4x)-exp(3x)+exp(2x)`
	CROSSREFS	`Equals 2 * A053154(n) + 1.` `Sequence in context: A151110 A151111 A151112 * A151113 A151114 A083878` `Adjacent sequences: A083321 A083322 A083323 * A083325 A083326 A083327`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 27 2003`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.