id:A146905 - OEIS Search Results

Search: id:A146905

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 5, 9, 13, 21, 41, 107, 243, 717, 1683, 4947, 13775, 49539, 165935, 690319, 2538097, 11779735, 49469745, 268313075, 1318481817, 8182984957 (list; graph; listen)

	OFFSET	`1,10`
	EXAMPLE	`Maximal 10 X 10 example` `.0.0.0.0.0.1.0.0.0.0` `.0.0.0.1.1.1.0.0.0.0` `.0.0.0.0.1.1.1.0.0.0` `.0.1.0.0.1.0.0.1.0.0` `.0.1.1.1.0.0.0.1.1.1` `.1.1.1.0.0.0.1.1.1.0` `.0.0.1.0.0.1.0.0.1.0` `.0.0.0.1.1.1.0.0.0.0` `.0.0.0.0.1.1.1.0.0.0` `.0.0.0.0.1.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A049691 A136252 A141325 this_sequence A052282 A001993 A153263` `Adjacent sequences: A146902 A146903 A146904 this_sequence A146906 A146907 A146908`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research