id:A146676 - OEIS Search Results

Search: id:A146676

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1100-0111-1100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 18, 9, 118, 25, 954, 93, 7545, 633, 121807, 8913, 3109792, 136370, 104854969, 2447483, 4391577608, 66801664, 267821817268, 2869431585 (list; graph; listen)

	OFFSET	`1,9`
	EXAMPLE	`Maximal 9 X 9 example` `.0.1.0.1.0.1.0.1.0` `.0.1.0.1.1.1.0.1.0` `.1.1.1.0.1.0.1.1.1` `.1.0.1.0.1.0.1.0.1` `.0.0.0.0.0.0.0.0.0` `.1.0.1.0.1.0.1.0.1` `.1.1.1.0.1.0.1.1.1` `.0.1.0.1.1.1.0.1.0` `.0.1.0.1.0.1.0.1.0`
	CROSSREFS	`Sequence in context: A112876 A070703 A040309 this_sequence A147438 A033965 A146415` `Adjacent sequences: A146673 A146674 A146675 this_sequence A146677 A146678 A146679`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

page 1

Search completed in 0.002 seconds

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research