id:A147047 - OEIS Search Results

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Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.

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1, 1, 1, 1, 1, 5, 5, 9, 25, 73, 125, 433, 1109, 4789, 15605, 79281, 298381, 1737861, 8105277, 59580321, 339696501, 2994804821, 20458651317, 215020666113, 1796632825373, 23034291528869, 233369066240557, 3603324644623713 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.1.0.0.0` `.0.0.0.1.1.0.0.0` `.0.0.1.0.1.1.1.0` `.0.1.1.1.0.1.0.0` `.0.0.0.1.1.0.0.0` `.0.0.0.1.0.0.0.0` `.0.0.0.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A058491 A058584 A147197 this_sequence A097910 A049122 A078560` `Adjacent sequences: A147044 A147045 A147046 this_sequence A147048 A147049 A147050`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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