id:A146263 - OEIS Search Results

Search: id:A146263

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 110-111-101 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 33, 133, 785, 3005, 17673, 190185, 2271593, 28110409, 628123625, 14202428649, 408602739063, 12463530182045 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.1.0.0.0.0.0` `.1.1.1.0.0.1.1.0` `.1.1.0.0.0.0.1.1` `.0.0.0.0.0.1.1.1` `.1.1.1.0.0.0.0.0` `.1.1.0.0.0.0.1.1` `.0.1.1.0.0.1.1.1` `.0.0.0.0.0.1.0.1`
	CROSSREFS	`Sequence in context: A043068 A135111 A050830 this_sequence A050915 A091056 A015544` `Adjacent sequences: A146260 A146261 A146262 this_sequence A146264 A146265 A146266`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.