id:A146910 - 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 0100-1110-0111-0010 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 21, 33, 187, 315, 2369, 4615, 64775, 147707, 4198889, 11294757, 484939233, 1526217059, 94525856839, 346917020079, 34819307110751, 149345046116449, 24639152995360273, 123617463688011623 (list; graph; listen)

	OFFSET	`1,9`
	EXAMPLE	`Maximal 9 X 9 example` `.0.1.0.0.0.0.0.1.0` `.1.1.1.0.0.0.1.1.1` `.0.1.1.1.0.1.1.1.0` `.0.0.1.0.0.0.1.0.0` `.0.0.0.0.0.0.0.0.0` `.0.0.1.0.0.0.1.0.0` `.0.1.1.1.0.1.1.1.0` `.1.1.1.0.0.0.1.1.1` `.0.1.0.0.0.0.0.1.0`
	CROSSREFS	`Sequence in context: A033656 A032792 A146902 this_sequence A167397 A135595 A082483` `Adjacent sequences: A146907 A146908 A146909 this_sequence A146911 A146912 A146913`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research