id:A147404 - OEIS Search Results

Search: id:A147404

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 1000-1110-0111-0001 pattern in any orientation.

+0
1

1, 1, 1, 5, 1, 9, 13, 53, 137, 741, 2493, 19441, 73321, 1016967, 4911015, 87040405, 643897713 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.1.1.0.0.1.1.0.0` `.0.1.1.0.0.1.1.0` `.0.1.1.0.0.1.1.0` `.0.0.1.1.0.0.1.1` `.1.1.0.0.1.1.0.0` `.0.1.1.0.0.1.1.0` `.0.1.1.0.0.1.1.0` `.0.0.1.1.0.0.1.1`
	CROSSREFS	`Sequence in context: A147354 A134233 A100542 this_sequence A146070 A040029 A105086` `Adjacent sequences: A147401 A147402 A147403 this_sequence A147405 A147406 A147407`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

page 1

Search completed in 0.002 seconds

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.