id:A135865 - OEIS Search Results

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G.f. A(x) satisfies: A(x) = 1 + x*A(4x)^(1/2).

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1, 1, 2, 14, 420, 52822, 26933340, 55104785932, 451307797531080, 14787550509729279590, 1938204238967340827449260, 1016173347424012723201485482596, 2131067935523127187022102005624003320 (list; graph; listen)

	OFFSET	`0,3`
	PROGRAM	`(PARI) {a(n)=local(A=1+x+xO(x^n)); for(i=0, n, A=1+xsubst(A, x, 4*x)^(1/2)); polcoeff(A, n)}`
	CROSSREFS	`Cf. A135866, A135863.` `Sequence in context: A011809 A102596 A050561 this_sequence A160710 A009997 A048137` `Adjacent sequences: A135862 A135863 A135864 this_sequence A135866 A135867 A135868`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Dec 02 2007`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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