A028211 - OEIS

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A028211

Expansion of 1/((1-6x)(1-8x)(1-9x)(1-11x)).

1, 34, 729, 12614, 192605, 2711058, 36061873, 460391518, 5699774949, 68923376522, 818303379257, 9575924656662, 110774806146733, 1269639423098626, 14443439746998081, 163313818986599246 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (34,-427,2346,-4752).`
	FORMULA	`a(n) = 20a(n-1) - 99a(n-2) + 2^n(4^(n+1) - 3^(n+1)), n>=2. - Vincenzo Librandi, Mar 14 2011` `a(n) = 2^(3n+8)/3 +11^(n+3)/30 -6^(n+2)/5 -3^(2*n+5)/2.- R. J. Mathar, Mar 14 2011`
	CROSSREFS	`Sequence in context: A166217 A188711 A016109 * A028207 A028193 A028206` `Adjacent sequences: A028208 A028209 A028210 * A028212 A028213 A028214`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 17:43 EST 2012. Contains 205830 sequences.