id:A025254 - OEIS Search Results

Search: id:A025254

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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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3, 1, 1, 3, 10, 34, 118, 417, 1497, 5448, 20063, 74649, 280252, 1060439, 4040413, 15488981, 59701236, 231236830, 899559100, 3513314664, 13770811198, 54152480421, 213585706927, 844723104691, 3349274471386, 13310603555085, 53012829376985 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Adjacent sequences: A025251 A025252 A025253 this_sequence A025255 A025256 A025257` `Sequence in context: A024958 A014516 A016563 this_sequence A000503 A111956 A024564`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.

AT&T Labs Research