A123890 - OEIS

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A123890

G.f.: x/((1-x^2)^5-1+x).

1, 5, 25, 115, 525, 2385, 10825, 49120, 222875, 1011251, 4588335, 20818575, 94459755, 428590575, 1944636420, 8823364350, 40034094615, 181645987625, 824179118751, 3739533301365, 16967318139775, 76985511735170, 349304997307275, 1584895370489480 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	REFERENCES	`A. Burstein and T. Mansour, Words restricted by 3-letter ..., Annals. Combin., 7 (2003), 1-14.`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients` `A. Burstein and T. Mansour, Words restricted by 3-letter ....`
	CROSSREFS	`Sequence in context: A196985 A124534 A089947 * A123894 A055297 A034274` `Adjacent sequences: A123887 A123888 A123889 * A123891 A123892 A123893`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 20 2006`

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Last modified February 15 05:26 EST 2012. Contains 205694 sequences.