A028228 - OEIS

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A028228

Expansion of 1/((1-7x)(1-10x)(1-11x)(1-12x)).

1, 40, 1007, 20414, 364329, 5979036, 92485219, 1369339018, 19606630637, 273438929192, 3733694351751, 50109751007862, 662977655746225, 8667106208101108, 112162143040653803, 1438993526155501346 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..15.`
	FORMULA	`a(n) = 40a(n-1) -593a(n-2) +3854a(n-3) -9240a(n-4), n>=4. - Vincenzo Librandi, Mar 18 2011` `a(n) = 23a(n-1) -132a(n-2) +(10^(n+1) -7^(n+1))/3, n>=2. - Vincenzo Librandi, Mar 18 2011` `a(n) = 612^(n+2)/5 -11^(n+3)/4 +510^(n+2)/3-7^(n+3)/60 . - R. J. Mathar, Mar 20 2011`
	CROSSREFS	`Sequence in context: A172510 A004349 A016092 * A165380 A075907 A062143` `Adjacent sequences: A028225 A028226 A028227 * A028229 A028230 A028231`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane.`
	STATUS	`approved`

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Last modified May 23 15:44 EDT 2013. Contains 225610 sequences.