id:A147192 - OEIS Search Results

Search: id:A147192

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 11000-01110-00011 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 9, 25, 39, 213, 729, 5371, 22321, 227621, 1304481, 19507517, 156958957 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.0.0.0.1.1` `.0.1.1.0.1.1.1.0` `.0.1.0.1.1.0.0.0` `.1.1.0.0.0.0.0.1` `.1.0.0.0.0.0.1.1` `.0.0.0.1.1.0.1.0` `.0.1.1.1.0.1.1.0` `.1.1.0.0.0.1.0.0`
	CROSSREFS	`Sequence in context: A116520 A024825 A147074 this_sequence A025624 A147496 A147383` `Adjacent sequences: A147189 A147190 A147191 this_sequence A147193 A147194 A147195`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.