id:A123894 - OEIS Search Results

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G.f.: -(1+x^2)*(1+2*x^2)*(1+3*x^2)*(1+4*x^2)/(-1-10*x^2-35*x^4-50*x^6-24*x^8+5*x+40*x^3+105*x^5+100*x^7+24*x^9).

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1, 5, 25, 115, 525, 2405, 11025, 50525, 231525, 1060979, 4862065, 22280875, 102104045, 467901065, 2144199765, 9825991725, 45028504525, 206347239279, 945605099381, 4333321849875, 19857843661645, 91000384646845, 417017585036185, 1911021221349165 (list; graph; listen)

	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: A124534 A089947 A123890 this_sequence A055297 A034274 A110212` `Adjacent sequences: A123891 A123892 A123893 this_sequence A123895 A123896 A123897`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 20 2006`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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