id:A025255 - OEIS Search Results

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a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-3)*a(3) for n >= 4.

+0
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1, 3, 1, 1, 4, 8, 22, 55, 145, 386, 1039, 2837, 7808, 21693, 60697, 170959, 484306, 1379020, 3944780, 11330962, 32668988, 94510169, 274262571, 798153211, 2328830794, 6811354123, 19966156857, 58647721275, 172600025350, 508870577560, 1502795261440 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A133380 A105687 A058879 this_sequence A016463 A098084 A016562` `Adjacent sequences: A025252 A025253 A025254 this_sequence A025256 A025257 A025258`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.

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