id:A146248 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only in a 110-111-011 pattern in any orientation.

+0
1

1, 1, 3, 9, 21, 85, 755, 7735, 87315, 1464567, 39342833, 1394115639, 64760833633, 4237428548705, 396489545524701, 50966003405928397, 8978681383047868049, 2201121987520740127861 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.0.0.1.1.0` `.1.1.1.0.0.1.1.1` `.1.1.0.0.0.0.1.1` `.0.0.0.0.1.1.0.0` `.0.0.0.1.1.1.0.0` `.1.1.0.1.1.0.1.1` `.1.1.1.0.0.1.1.1` `.0.1.1.0.0.1.1.0`
	CROSSREFS	`Sequence in context: A118932 A053499 A146909 this_sequence A074000 A067645 A101474` `Adjacent sequences: A146245 A146246 A146247 this_sequence A146249 A146250 A146251`
	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