id:A147001 - OEIS Search Results

Search: id:A147001

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 00100-00100-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 4, 5, 13, 19, 43, 57, 239, 521, 2347, 5442, 24758, 63173, 355006, 1139569, 7776109, 29105899, 223723640, 955226817, 8533424348 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.1.1.1.0` `.1.0.0.0.1.0.0.0` `.1.0.0.0.1.0.0.1` `.1.1.1.0.0.0.0.1` `.1.0.0.0.0.1.1.1` `.1.0.0.1.0.0.0.1` `.0.0.0.1.0.0.0.1` `.0.1.1.1.1.1.0.0`
	CROSSREFS	`Sequence in context: A091183 A094029 A005672 this_sequence A140683 A071341 A102981` `Adjacent sequences: A146998 A146999 A147000 this_sequence A147002 A147003 A147004`
	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