A088013 - OEIS

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A088013

Binomial transform of A001541 (with interpolated zeros).

1, 1, 4, 10, 36, 116, 400, 1352, 4624, 15760, 53824, 183712, 627264, 2141504, 7311616, 24963200, 85229824, 290992384, 993510400, 3392055808, 11581203456, 39540700160, 135000395776, 460920178688, 1573679927296, 5372879343616 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1-3x+2x^3)/(1-4x+8x^3-4x^4); E.g.f. : exp(x)cosh(x)cosh(sqrt(2)x); a(n)=((sqrt(2))^n+(-sqrt(2))^n+(2+sqrt(2))^n+(2-sqrt(2))^n)/4`
	CROSSREFS	`Sequence in context: A108596 A204270 A196880 * A149179 A149180 A149181` `Adjacent sequences: A088010 A088011 A088012 * A088014 A088015 A088016`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 18 2003`

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Last modified February 16 13:12 EST 2012. Contains 205909 sequences.