A052341 - OEIS

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A052341

Shifts left two places under BIN1 transform.

1, 1, 1, -3, 7, -11, 17, -27, 45, -75, 123, -199, 321, -519, 841, -1363, 2207, -3571, 5777, -9347, 15125, -24475, 39603, -64079, 103681, -167759, 271441, -439203, 710647, -1149851, 1860497, -3010347, 4870845, -7881195, 12752043, -20633239 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	FORMULA	`BIN1 sends a to b where b(n) = (-1)^n Sum_{i=0..n} C(n+1, i+1) a(i).` `G.f.: (x^4+4x^3+7x^2+4x+1)/[(1+x)(-1-x+x^2)(1+x+x^2)].`
	CROSSREFS	`Sequence in context: A088803 A194069 A088206 * A038949 A106967 A045420` `Adjacent sequences: A052338 A052339 A052340 * A052342 A052343 A052344`
	KEYWORD	`sign,eigen`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 09 2000`

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.