id:A147106 - OEIS Search Results

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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1000-1100-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 3, 7, 15, 37, 181, 733, 3563, 18321, 120179, 876663, 8507491, 85942209, 1181855975 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.1.1.1.0` `.1.0.0.0.0.0.1.1` `.1.1.0.0.0.0.0.1` `.0.1.1.1.0.0.0.1` `.1.0.0.0.1.1.1.0` `.1.0.0.0.0.0.1.1` `.1.1.0.0.0.0.0.1` `.0.1.1.1.0.0.0.1`
	CROSSREFS	`Sequence in context: A086821 A007576 A018020 this_sequence A078161 A146033 A147188` `Adjacent sequences: A147103 A147104 A147105 this_sequence A147107 A147108 A147109`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.