id:A147146 - OEIS Search Results

Search: id:A147146

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 1000-1100-0110-0011 pattern in any orientation.

+0
1

1, 1, 1, 1, 3, 9, 19, 67, 271, 1339, 7503, 48863, 386667, 3842993, 45897369, 657696677 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.0.0.0.0` `.0.1.1.0.0.0.0.1` `.1.1.0.0.0.0.1.1` `.1.0.1.1.0.1.1.0` `.0.1.1.0.1.1.0.1` `.1.1.0.0.0.0.1.1` `.1.0.0.0.0.1.1.0` `.0.0.0.0.1.1.0.0`
	CROSSREFS	`Sequence in context: A146605 A147070 A130586 this_sequence A146066 A164283 A033315` `Adjacent sequences: A147143 A147144 A147145 this_sequence A147147 A147148 A147149`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.