id:A146739 - 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 1110-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 9, 13, 35, 63, 1587, 3733, 130673, 393655, 13792523, 50382037, 6128617283, 28568095487, 6379895824947, 37360214342889, 13793098704317291, 100685778534490077, 83983096306346152831, 769168839966983823023 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.0.0.1.1.0` `.0.1.1.0.0.1.1.0` `.0.1.1.0.0.1.1.0` `.0.0.1.0.0.1.0.0` `.1.0.0.0.0.0.0.1` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1`
	CROSSREFS	`Sequence in context: A031196 A151725 A146864 this_sequence A146723 A146422 A147352` `Adjacent sequences: A146736 A146737 A146738 this_sequence A146740 A146741 A146742`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 10 12:09 EST 2009. Contains 170569 sequences.

AT&T Labs Research