id:A146243 - OEIS Search Results

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Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 110-111-010 pattern in any orientation.

+0
1

1, 1, 3, 5, 11, 29, 171, 783, 4399, 33371, 348951, 4490023, 67743969, 1262306965, 30412318737, 938946971693, 36229300537639, 1709400162886171, 100764547585566691, 7519118775918147695, 708647258526428184031 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1` `.0.1.1.0.0.0.1.1` `.0.0.0.1.1.0.0.0` `.0.0.0.1.1.1.0.0` `.0.1.0.0.1.0.1.0` `.1.1.1.0.0.1.1.1` `.0.1.1.0.0.0.1.1`
	CROSSREFS	`Adjacent sequences: A146240 A146241 A146242 this_sequence A146244 A146245 A146246` `Sequence in context: A000101 A037152 A084748 this_sequence A108259 A093933 A165572`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

AT&T Labs Research