id:A025269 - OEIS Search Results

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a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 5.

+0
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2, 1, 1, 1, 6, 27, 122, 555, 2530, 11564, 52994, 243467, 1121292, 5176432, 23952042, 111076279, 516217844, 2404051080, 11218106730, 52447788512, 245659502752, 1152673780946, 5417690242696, 25505048506311, 120257626246616, 567864679387562 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A089759 A088152 A049270 this_sequence A137296 A101124 A011127` `Adjacent sequences: A025266 A025267 A025268 this_sequence A025270 A025271 A025272`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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

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