id:A147262 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1100-0111-0001 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 199, 377, 3217, 8011, 104473, 273171, 9678777, 30911627, 4517322323, 18623780151, 3664520343941, 18523730792349, 4450318556374425, 27331408113246915 (list; graph; listen)

	OFFSET	`1,9`
	EXAMPLE	`Maximal 9 X 9 example` `.0.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0.0` `.0.1.0.0.0.0.0.1.0` `.1.1.0.0.0.0.0.1.1` `.0.1.1.1.0.1.1.1.0` `.1.0.0.1.0.1.0.0.1` `.1.1.1.0.0.0.1.1.1` `.0.0.1.1.0.1.1.0.0` `.0.0.1.0.0.0.1.0.0`
	CROSSREFS	`Sequence in context: A142749 A142123 A046006 this_sequence A106759 A004926 A004946` `Adjacent sequences: A147259 A147260 A147261 this_sequence A147263 A147264 A147265`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research