id:A146776 - 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 0010-1010-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 17, 27, 551, 1025, 9065, 24039, 430341, 1208611, 88984447, 322624067, 42836270201, 190686627801, 27661973527585, 149211196626477, 36642661396277021 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.0.0.1.0.0` `.1.1.1.0.0.1.1.1` `.0.0.1.0.0.1.0.0` `.0.1.1.0.0.1.1.0` `.1.0.0.0.0.0.0.1` `.1.1.1.0.0.1.1.1` `.1.0.0.0.0.0.0.1` `.1.1.0.0.0.0.1.1`
	CROSSREFS	`Sequence in context: A033702 A000797 A147202 this_sequence A147218 A146856 A134468` `Adjacent sequences: A146773 A146774 A146775 this_sequence A146777 A146778 A146779`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research