id:A146382 - 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 0110-1111 pattern in any orientation.

+0
1

1, 1, 1, 7, 5, 40, 19, 418, 491, 27240, 24451, 2971576, 2078908, 614382155, 474528877, 322682051335, 262749927910, 400764203886592, 313224621598547, 1137774558755597994, 881352408772896894, 7433275932107389413579 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.1.1.1.1.0.1` `.1.1.0.1.1.0.1.1` `.1.1.0.0.0.0.1.1` `.1.0.1.1.1.1.0.1` `.0.1.0.1.1.0.1.0` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.0.1.0.0.0.0.1.0`
	CROSSREFS	`Sequence in context: A059990 A070426 A142883 this_sequence A163742 A089244 A063003` `Adjacent sequences: A146379 A146380 A146381 this_sequence A146383 A146384 A146385`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research