id:A030037 - OEIS Search Results

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a(n+1)= Sum a(k)a(n-k), k = 0 ... [ 2n/5 ].

+0
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1, 1, 1, 1, 2, 3, 6, 11, 20, 40, 77, 160, 319, 636, 1332, 2721, 5799, 12068, 25109, 53943, 113682, 245931, 523896, 1115239, 2425858, 5208339, 11388934, 24630843, 53194684, 116764483, 253764437, 559289434 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Cf. A000992.` `Sequence in context: A096080 A143658 A005230 this_sequence A077078 A077079 A079969` `Adjacent sequences: A030034 A030035 A030036 this_sequence A030038 A030039 A030040`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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

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