id:A146664 - OEIS Search Results

Search: id:A146664

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0111-0001 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 19, 43, 87, 303, 1077, 3757, 15681, 80673, 475263, 2975253, 20229343, 160250909, 1366441107, 13345035623 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.1.1.0` `.1.0.0.1.1.1.0.0` `.1.1.0.1.0.0.0.0` `.0.1.0.0.0.1.1.0` `.0.1.1.0.0.0.1.0` `.0.0.0.0.1.0.1.1` `.0.0.1.1.1.0.0.1` `.0.1.1.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A146704 A103145 A100694 this_sequence A103176 A028880 A162905` `Adjacent sequences: A146661 A146662 A146663 this_sequence A146665 A146666 A146667`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.