id:A146872 - 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 1110-0100-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 17, 29, 597, 1065, 7937, 22829, 200213, 509041, 58873393, 209855541, 45265003821, 200942562233, 23496039620441, 129320692683437, 19050505005054181, 117997121583703345 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.0.0.1` `.1.0.1.0.0.1.0.1` `.1.1.1.0.0.1.1.1` `.0.0.1.0.0.1.0.0` `.1.0.0.0.0.0.0.1` `.1.0.1.0.0.1.0.1` `.1.1.1.0.0.1.1.1` `.0.0.1.0.0.1.0.0`
	CROSSREFS	`Sequence in context: A146744 A103304 A104067 this_sequence A146792 A124884 A052006` `Adjacent sequences: A146869 A146870 A146871 this_sequence A146873 A146874 A146875`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

AT&T Labs Research