id:A147204 - OEIS Search Results

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Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-0101-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 5, 17, 37, 97, 589, 4299, 27851, 193127, 2080835, 29286959, 452848509, 7844143081, 177658806371, 5163186936815, 177926288939305 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.1.1.1.0` `.0.0.0.0.1.0.1.0` `.0.0.0.1.1.0.0.0` `.0.0.1.0.0.0.0.0` `.1.1.1.0.0.0.0.0` `.1.0.0.0.0.0.0.0` `.1.1.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A048209 A146874 A145012 this_sequence A121326 A147219 A146280` `Adjacent sequences: A147201 A147202 A147203 this_sequence A147205 A147206 A147207`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research