id:A025278 - 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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1, -1, 1, 1, 0, -1, 0, 3, 4, 0, -2, 11, 34, 36, 14, 55, 250, 484, 526, 672, 2024, 5106, 8388, 11415, 21806, 53222, 107954, 176392, 295988, 615242, 1316100, 2462955, 4271142, 8015318, 16478474, 32815776, 60660164, 111589258, 218042964, 436588372 (list; graph; listen)

	OFFSET	`1,8`
	CROSSREFS	`Adjacent sequences: A025275 A025276 A025277 this_sequence A025279 A025280 A025281` `Sequence in context: A073234 A123685 A124917 this_sequence A063405 A139401 A110061`
	KEYWORD	`sign`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research