id:A016200 - OEIS Search Results

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Expansion of 1/((1-x)(1-2x)(1-6x)).

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1, 9, 61, 381, 2317, 13965, 83917, 503757, 3023053, 18139341, 108838093, 653032653, 3918204109, 23509241037, 141055478989, 846332939469, 5077997767885, 30467986869453, 182807921741005, 1096847531494605 (list; graph; listen)

	OFFSET	`0,2`
	MAPLE	`a:=n->sum((6^(n-j)-2^(n-j))/4, j=0..n): seq(a(n), n=1..20); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 15 2007`
	CROSSREFS	`Sequence in context: A030507 A005060 A125346 this_sequence A001454 A162769 A126504` `Adjacent sequences: A016197 A016198 A016199 this_sequence A016201 A016202 A016203`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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

AT&T Labs Research