id:A147333 - 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 01000-11100-00111-00010 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 11, 15, 249, 439, 3525, 7243, 86415, 202083, 5858179, 16166669, 860820947, 2825911051, 229675621375, 888780016627, 105005577010021, 476804047189207, 92035361068862489 (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` `.0.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0.0` `.0.0.1.0.0.0.1.0.0` `.0.0.1.1.0.1.1.0.0` `.0.1.1.0.0.0.1.1.0` `.1.1.0.0.0.0.0.1.1` `.0.1.0.0.0.0.0.1.0`
	CROSSREFS	`Sequence in context: A115779 A147339 A147377 this_sequence A097156 A138791 A132990` `Adjacent sequences: A147330 A147331 A147332 this_sequence A147334 A147335 A147336`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

AT&T Labs Research