id:A147030 - OEIS Search Results

Search: id:A147030

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-0100-1111-0010 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 3, 13, 31, 77, 387, 2257, 17627, 156913, 1449769, 17078273, 269362403, 5270658519, 128747962057, 3752690933565, 128409913359645, 5451255918471683 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.1.0` `.0.0.0.0.1.1.1.0` `.0.0.0.1.0.0.1.1` `.0.0.0.1.0.0.1.0` `.0.0.1.1.1.1.0.0` `.0.0.0.0.1.0.0.0`
	CROSSREFS	`Sequence in context: A067980 A164569 A007686 this_sequence A146259 A146174 A147134` `Adjacent sequences: A147027 A147028 A147029 this_sequence A147031 A147032 A147033`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research