id:A146241 - 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 110-111-010 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 37, 73, 549, 1155, 18213, 46753, 1912543, 6241489, 625732277, 2571374751, 388840217669, 1994859107661, 608353553481999, 3912610945442677, 2428168209787780883, 19568752353921733413, 24097482751802550964553 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1` `.1.1.0.0.0.0.1.1` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1` `.0.1.1.0.0.1.1.0`
	CROSSREFS	`Sequence in context: A137833 A083748 A146273 this_sequence A083990 A123815 A087531` `Adjacent sequences: A146238 A146239 A146240 this_sequence A146242 A146243 A146244`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research