id:A146070 - OEIS Search Results

Search: id:A146070

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 5-point zee 1,1 2,1 2,2 2,3 3,3 in any orientation.

+0
1

1, 1, 5, 1, 9, 25, 101, 401, 3215, 13761, 224503, 1483715, 30996399, 381934429, 12283193557, 226607791453, 11864500856825 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.0.0.0.1.0` `.0.1.0.0.1.1.1.0` `.1.1.0.0.1.0.0.1` `.0.0.1.0.0.1.1.1` `.1.1.1.0.0.1.0.0` `.1.0.0.1.0.0.1.1` `.0.1.1.1.0.0.1.0` `.0.1.0.0.0.1.1.0`
	CROSSREFS	`Sequence in context: A134233 A100542 A147404 this_sequence A040029 A105086 A147362` `Adjacent sequences: A146067 A146068 A146069 this_sequence A146071 A146072 A146073`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Oct 26 2008`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research