id:A073079 - OEIS Search Results

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Generating function satisfies A(x) = exp(A(x)x + 3A(x^2)x^2/2 + A(x^3)x^3/3 + 3A(x^4)x^4/4 +...).

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1, 1, 3, 6, 16, 38, 103, 268, 738, 2029, 5723, 16242, 46762, 135584, 396702, 1167986, 3460931, 10308313, 30853232, 92734392, 279811894, 847218649, 2573387068, 7839150746, 23943472360, 73310409148, 224970044407, 691817432334 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`A(x) = exp(sum_{n=1..inf} [2+(-1)^n]A(x^n)x^n/n), A(0)=1, where A(x)=1 + x + 3x^2 + 16x^3 + 38x^4 +103x^5 +...`
	CROSSREFS	`Sequence in context: A027852 A114410 A096588 this_sequence A143560 A001675 A046211` `Adjacent sequences: A073076 A073077 A073078 this_sequence A073080 A073081 A073082`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 17 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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