id:A147508 - OEIS Search Results

Search: id:A147508

Displaying 1-1 of 1 results found.

page 1

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 11110-01111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 3, 9, 23, 81, 267, 1053, 6173, 40853, 301993, 2684783, 27089119, 322029889, 4723820567, 81998776493, 1660922956591, 39864394187483, 1124746291185333 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.1.1.0.0.0` `.1.0.1.1.1.1.0.0` `.1.1.0.0.0.0.1.0` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.0.1.0.0.0.0.1.1` `.0.0.1.1.1.1.0.1` `.0.0.0.1.1.1.1.0`
	CROSSREFS	`Sequence in context: A108488 A018334 A146392 this_sequence A146472 A145955 A129834` `Adjacent sequences: A147505 A147506 A147507 this_sequence A147509 A147510 A147511`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research