id:A082423 - OEIS Search Results

Search: id:A082423

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a(1)=1, a(n)=ceiling(n/(n+1)*sum(k=1,n-1,a(k))).

+0
1

1, 1, 2, 4, 7, 13, 25, 48, 91, 175, 337, 650, 1258, 2438, 4735, 9210, 17940, 34992, 68331, 133580, 261391, 511959, 1003556, 1968715, 3864865, 7592312, 14923899, 29352241, 57761017, 113723026, 224010669, 441452110, 870326081, 1716539232 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Apparently a(n) is asymptotic to Csqrt(n)2^n where C=0.6....`
	CROSSREFS	`Sequence in context: A018082 A018083 A108361 this_sequence A119266 A102026 A103204` `Adjacent sequences: A082420 A082421 A082422 this_sequence A082424 A082425 A082426`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 24 2003`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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