id:A147512 - OEIS Search Results

Search: id:A147512

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 11110-01111 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 9, 25, 59, 279, 1153, 8111, 46003, 371173, 2930355, 33533835, 383283501 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.1.1.1.0.0.0.1` `.0.1.1.1.1.0.1.1` `.0.0.0.0.0.0.1.1` `.0.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.0` `.1.1.0.0.0.0.0.0` `.1.1.0.1.1.1.1.0` `.1.0.0.0.1.1.1.1`
	CROSSREFS	`Sequence in context: A127976 A147286 A137199 this_sequence A050359 A062812 A032499` `Adjacent sequences: A147509 A147510 A147511 this_sequence A147513 A147514 A147515`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

page 1

Search completed in 0.002 seconds

Last modified November 25 14:49 EST 2009. Contains 167514 sequences.