id:A103643 - OEIS Search Results

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Number of tilings of a special lattice of order n.

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1, 2, 6, 6, 6, 6, 27, 486, 486, 486, 486, 6561, 531441, 531441, 531441, 531441, 43046721, 10460353203, 10460353203, 10460353203, 10460353203, 7625597484987, 5559060566555523, 5559060566555523, 5559060566555523 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`M. Ciucu, Perfect matchings and perfect powers`
	FORMULA	`Recurrence: a(n+30) = 3^(4f(n))*a(n), with f a 5-periodic function.`
	CROSSREFS	`Adjacent sequences: A103640 A103641 A103642 this_sequence A103644 A103645 A103646` `Sequence in context: A134201 A137479 A048765 this_sequence A079892 A096014 A071888`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Feb 19 2005`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

AT&T Labs Research