A183369 - OEIS

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A183369

Number of n X n binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors

1, 4, 6, 49, 195, 3969, 285516, 22743361, 3414837564, 1467194393284, 1549197261403648, 3156509484479021584, 11694530363878786782540, 91853775938916496321710336 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A183374`
	LINKS	`Table of n, a(n) for n=1..14.`
	EXAMPLE	`Some solutions for 5X5` `..1..1..0..1..0....0..1..0..0..0....0..1..0..0..1....0..0..1..1..0` `..0..0..0..1..0....1..1..1..1..0....0..1..0..0..1....1..1..0..1..0` `..0..1..1..1..1....0..1..0..1..0....1..1..1..0..0....1..0..0..1..1` `..0..1..0..1..0....0..0..1..0..1....0..1..0..1..1....1..1..0..1..0` `..0..1..1..1..0....1..0..1..1..1....0..1..1..0..0....0..0..1..1..0`
	CROSSREFS	`Sequence in context: A355231 A066348 A330978 * A241159 A116656 A012933` `Adjacent sequences: A183366 A183367 A183368 * A183370 A183371 A183372`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 04 2011`
	STATUS	`approved`

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Last modified March 28 17:47 EDT 2023. Contains 361596 sequences. (Running on oeis4.)