id:A147027 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only in a 0100-0100-1111-0010 pattern in any orientation.

+0
1

1, 1, 1, 9, 33, 81, 593, 11281, 273235, 6759617, 249956567, 17607387437, 1915544919591, 282005360821455 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.0.0.0.1.0` `.1.1.1.1.0.0.1.1` `.0.1.0.0.1.1.1.0` `.0.1.0.0.0.0.1.0` `.0.0.1.0.0.1.0.0` `.0.0.1.0.1.1.0.0` `.1.1.1.1.0.1.1.1` `.0.1.0.0.0.1.0.0`
	CROSSREFS	`Sequence in context: A101990 A147170 A146823 this_sequence A146256 A005920 A020324` `Adjacent sequences: A147024 A147025 A147026 this_sequence A147028 A147029 A147030`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.