A146658 - OEIS

A146658

Number of n X n binary arrays with all ones connected only in a 1100-0111-0001 pattern in any orientation.

1, 1, 1, 17, 73, 521, 7411, 207693, 7583663, 399906057, 35432211775 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,4`
	LINKS	`Table of n, a(n) for n=1..11.`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.0.1.1.0.1` `.0.1.0.0.1.0.1.1` `.1.1.0.1.1.0.1.0` `.1.0.0.1.0.1.1.0` `.0.1.1.0.1.0.0.1` `.0.1.0.1.1.0.1.1` `.1.1.0.1.0.0.1.0` `.1.0.1.1.0.1.1.0`
	CROSSREFS	`Sequence in context: A096637 A201610 A201262 * A145440 A112013 A165691` `Adjacent sequences: A146655 A146656 A146657 * A146659 A146660 A146661`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Nov 04 2008`
	STATUS	`approved`

Last modified August 11 15:10 EDT 2022. Contains 356066 sequences. (Running on oeis4.)