A028216 - OEIS

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A028216

Expansion of 1/((1-6x)(1-9x)(1-10x)(1-11x)).

1, 36, 817, 14952, 241213, 3582348, 50196889, 673865424, 8755297045, 110878147380, 1375697840881, 16786476031416, 202032169207597, 2403762666000732, 28323951022216393, 331005811232778528 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) = 21a(n-1) - 110a(n-2) + 39^n-26^n, n>=2. - Vincenzo Librandi, Mar 13 2011` `a(n) = -2510^(n+1)+11^(n+3)/10-36^(n+1)/5+3*9^(n+2)/2. - R. J. Mathar, Mar 18 2011`
	CROSSREFS	`Sequence in context: A133051 A173187 A028222 * A028221 A000597 A028214` `Adjacent sequences: A028213 A028214 A028215 * A028217 A028218 A028219`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.