id:A066816 - OEIS Search Results

Search: id:A066816

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G.f.: Product_{k>=1} (1+A001055(k)*x^k).

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1, 1, 1, 2, 3, 4, 6, 8, 10, 15, 20, 25, 36, 46, 58, 78, 95, 120, 160, 198, 249, 318, 392, 485, 608, 745, 914, 1140, 1390, 1692, 2092, 2528, 3032, 3709, 4468, 5364, 6494, 7770, 9279, 11161, 13347, 15824, 18920, 22465, 26539, 31607, 37345, 43994, 52016 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n)=1/nSum_{k=1..n} a(n-k)b(k), n > 0, a(0)=1, b(k)=Sum_{d\|k} (-1)^(k/d+1)d(A001055(d))^(k/d).`
	CROSSREFS	`Cf. A001055, A066739.` `Sequence in context: A102848 A134157 A045476 this_sequence A165514 A123586 A039500` `Adjacent sequences: A066813 A066814 A066815 this_sequence A066817 A066818 A066819`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 20 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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