id:A146792 - 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 0110-0100-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 17, 29, 597, 1129, 8865, 24301, 252485, 677761, 72037073, 260058405, 50790437661, 228224469561, 29783355194457, 163753391774397, 29294065583268725, 187282551074891489 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.0.0.1.0.0` `.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` `.1.0.0.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A103304 A104067 A146872 this_sequence A124884 A052006 A002675` `Adjacent sequences: A146789 A146790 A146791 this_sequence A146793 A146794 A146795`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research