id:A146429 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only in a 101-111-101 pattern in any orientation.

+0
1

1, 1, 3, 9, 19, 53, 531, 5709, 48307, 490649, 11283333, 359196547, 11541091447, 440660012263, 27722494439108, 2548067434592087, 280390489794224900 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Maximal 8 X 8 example` `.1.1.1.0.0.1.0.1` `.0.1.0.0.0.1.1.1` `.1.1.1.0.0.1.0.1` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.1.0.1.0.1.0.1` `.0.1.1.1.0.1.1.1` `.0.1.0.1.0.1.0.1`
	CROSSREFS	`Sequence in context: A146677 A077442 A147455 this_sequence A018316 A146605 A147070` `Adjacent sequences: A146426 A146427 A146428 this_sequence A146430 A146431 A146432`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research