id:A016212 - OEIS Search Results

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Expansion of 1/((1-x)(1-3x)(1-7x)).

+0
2

1, 11, 90, 670, 4811, 34041, 239380, 1678940, 11762421, 82366471, 576653870, 4036842810, 28258696831, 197813269301, 1384700059560, 9692921940280, 67850518152041, 474953820774531, 3324677326552450 (list; graph; listen)

	OFFSET	`0,2`
	MAPLE	`a:=n->sum((7^(n-j)-3^(n-j))/4, j=0..n): seq(a(n), n=1..19); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 15 2007`
	CROSSREFS	`Adjacent sequences: A016209 A016210 A016211 this_sequence A016213 A016214 A016215` `Sequence in context: A037580 A110252 A055425 this_sequence A037713 A037615 A068973`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

AT&T Labs Research