id:A146810 - 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 1000-1010-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 3, 7, 19, 47, 187, 1053, 6641, 45779, 382213, 4162011, 56301753, 896342697, 17171206379, 405427693543, 11818746061515, 417444288436423 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.1.1.0.0.0` `.1.0.1.0.1.0.0.0` `.1.1.0.0.1.0.0.0` `.1.0.0.0.0.1.1.1` `.1.1.1.0.0.0.0.1` `.0.0.0.1.0.0.1.1` `.0.0.0.1.0.1.0.1` `.0.0.0.1.1.1.1.0`
	CROSSREFS	`Sequence in context: A151535 A001372 A049117 this_sequence A073063 A007288 A061646` `Adjacent sequences: A146807 A146808 A146809 this_sequence A146811 A146812 A146813`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

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