id:A146373 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only in a 0100-1111-0100 pattern in any orientation.

+0
1

1, 1, 1, 9, 25, 125, 1331, 18779, 389231, 11969301, 573650431, 41782304071, 4475707668912, 731606853804073, 181071469572900858 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.0.0.0.0.0.0` `.1.1.1.1.0.0.0.0` `.0.1.0.0.0.0.1.0` `.0.0.0.0.0.1.1.1` `.0.1.0.0.1.0.1.0` `.1.1.1.0.1.0.1.0` `.0.1.0.1.1.1.0.0` `.0.1.0.0.1.0.0.0`
	CROSSREFS	`Sequence in context: A092769 A139818 A146365 this_sequence A084605 A098773 A089998` `Adjacent sequences: A146370 A146371 A146372 this_sequence A146374 A146375 A146376`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research