A020983 - OEIS

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A020983

Expansion of 1/((1-9x)(1-10x)(1-12x)).

1, 31, 643, 11155, 174811, 2566291, 36012523, 489103555, 6481822171, 84295081651, 1080159920203, 13679489505955, 171612008243131, 2136467306462611, 26431716545456683, 325327578356628355 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (31,-318,1080)`
	FORMULA	`a(n) = 31a(n-1) -318a(n-2) +1080a(n-3), n>=3. - Vincenzo Librandi, Mar 18 2011` `a(n) = 22a(n-1) -120a(n-2) +9^n, n>=2. - Vincenzo Librandi, Mar 18 2011` `a(n) = -510^(n+1) +39^(n+1)+212^(n+1). - R. J. Mathar, Mar 20 2011`
	CROSSREFS	`Sequence in context: A028004 A025007 A024446 * A020981 A006097 A000565` `Adjacent sequences: A020980 A020981 A020982 * A020984 A020985 A020986`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 05:09 EST 2012. Contains 205570 sequences.