id:A147070 - 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 10000-11111-00001 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 9, 19, 61, 211, 741, 3813, 22505, 147447, 1175399, 10583799, 109540847, 1364336983, 19785643957, 336137809321, 6744593577357, 157257981066897 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.1.1.0.0` `.0.0.0.0.0.1.0.0` `.0.0.0.0.0.1.0.0` `.0.0.0.0.0.1.0.0` `.1.0.0.0.0.1.1.0` `.1.1.1.1.1.0.0.0` `.0.0.0.0.1.0.0.0` `.0.0.0.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A146429 A018316 A146605 this_sequence A130586 A147146 A146066` `Adjacent sequences: A147067 A147068 A147069 this_sequence A147071 A147072 A147073`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research