id:A147123 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only in a 1000-1000-1111-1000 pattern in any orientation.

+0
1

1, 1, 1, 9, 33, 105, 641, 8787, 211111, 4653287, 141740021, 6813049829, 531641820663 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.1.1.1.1` `.1.1.1.1.0.0.1.0` `.1.0.0.0.0.0.1.0` `.1.0.0.0.0.0.1.0` `.0.1.0.0.0.0.0.1` `.0.1.0.0.0.0.0.1` `.0.1.0.0.1.1.1.1` `.1.1.1.1.0.0.0.1`
	CROSSREFS	`Sequence in context: A031880 A036543 A147269 this_sequence A147107 A147115 A147261` `Adjacent sequences: A147120 A147121 A147122 this_sequence A147124 A147125 A147126`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.