id:A163013 - OEIS Search Results

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Number of nX4 binary arrays with all 1s connected and a path of 1s from top row to lower right corner

+0
1

4, 44, 469, 4776, 48047, 482895, 4854639, 48809845, 490753552, 4934223120, 49610514652, 498802509247, 5015145456885, 50424133267633, 506982946384063, 5097394665460444, 51251097416909895, 515297550767237152 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`R. H. Hardin, Table of n, a(n) for n=1..44`
	FORMULA	`Empirical: a(n)= 15a(n-1) -59a(n-2) +97a(n-3) -19a(n-4) -210a(n-5) +222a(n-6) +22a(n-7) -113a(n-8) +7a(n-9) -71a(n-10) +13*a(n-11) +a(n-12). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 11 2009]`
	CROSSREFS	`Sequence in context: A105038 A002278 A112897 this_sequence A087813 A082779 A053315` `Adjacent sequences: A163010 A163011 A163012 this_sequence A163014 A163015 A163016`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jul 20 2009`

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

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