id:A025261 - 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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3, -2, 1, 3, 7, 16, 40, 111, 327, 984, 2984, 9120, 28156, 87830, 276442, 876443, 2795523, 8963668, 28877692, 93433104, 303474772, 989159058, 3234373630, 10606540108, 34874855416, 114951540690, 379751773694, 1257173264286, 4170000218994 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A078268 A124782 A106611 this_sequence A111572 A046900 A082727` `Adjacent sequences: A025258 A025259 A025260 this_sequence A025262 A025263 A025264`
	KEYWORD	`sign`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research