id:A147076 - 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 10000-11111-10000 pattern in any orientation.

+0
1

1, 1, 1, 1, 3, 1, 19, 9, 139, 27, 2920, 1117, 150482, 41401, 10982835, 1602485, 1208797417, 157953713, 292923653699, 29971826239, 128550895495446, 9240996121217 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 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` `.0.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1`
	CROSSREFS	`Sequence in context: A120984 A016480 A086156 this_sequence A027537 A002380 A073676` `Adjacent sequences: A147073 A147074 A147075 this_sequence A147077 A147078 A147079`
	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.

AT&T Labs Research