id:A088704 - OEIS Search Results

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a(n) equals the coefficient of x^n in f(x)^n where f(x)=1+sum(n>=0,x^(2^n)).

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1, 1, 3, 7, 23, 71, 231, 743, 2431, 7999, 26563, 88683, 297551, 1002015, 3385175, 11466887, 38933183, 132454719, 451423203, 1540920939, 5267257103, 18027478847, 61770328227, 211872505243, 727411948351, 2499560376671 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: A(x) = 1 + xd/dx[log(g(x))], where g(x)=sum(n>=0, A075864(n)x^n), and g(x)=f(x*g(x)), given f(x)=1+sum(n>=0, x^(2^n)).`
	CROSSREFS	`Cf. A075864.` `Sequence in context: A096019 A029891 A106936 this_sequence A045610 A045723 A066768` `Adjacent sequences: A088701 A088702 A088703 this_sequence A088705 A088706 A088707`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Oct 10 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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