id:A050400 - OEIS Search Results

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Number of independent sets of vertices in P_3 X C_n (n > 2).

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5, 1, 17, 43, 181, 621, 2309, 8303, 30277, 109753, 398857, 1447931, 5258725, 19095285, 69344061, 251811903, 914429445, 3320635025, 12058502657, 43789003563, 159014593621, 577442573597 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n) = a(n-1) + 8a(n-2) + 6a(n-3) - a(n-4) - a(n-5)`
	CROSSREFS	`Sequence in context: A058352 A121755 A104174 this_sequence A008971 A055584 A066480` `Adjacent sequences: A050397 A050398 A050399 this_sequence A050401 A050402 A050403`
	KEYWORD	`easy,nonn`
	AUTHOR	`Stephen G. Penrice (spenrice(AT)ets.org), Dec 21 1999`
	EXTENSIONS	`More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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