A262325 - OEIS

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A262325

Number of (n+1)X(n+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits.

2, 5, 90, 2399, 570922, 394241389, 1456404454010, 19392931688071671, 1134083007177482717802, 256890679674803015904974405, 239672757231397671662393429466490 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A262332.`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..12`
	EXAMPLE	`Some solutions for n=4` `..1..1..0..1..1....0..0..0..0..0....0..0..1..1..0....1..0..0..1..0` `..0..1..0..0..1....1..0..0..1..0....0..1..1..1..1....0..1..1..1..1` `..1..0..0..1..0....1..0..0..1..0....0..0..0..1..1....0..0..0..0..0` `..0..0..0..0..0....0..0..0..0..0....0..0..1..1..0....1..0..0..1..0` `..1..0..0..1..0....0..0..0..0..0....0..1..1..0..0....0..1..1..1..1`
	CROSSREFS	`Cf. A262332.` `Sequence in context: A093308 A319230 A215797 * A290871 A162569 A120800` `Adjacent sequences: A262322 A262323 A262324 * A262326 A262327 A262328`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Sep 18 2015`
	STATUS	`approved`

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Last modified December 3 02:48 EST 2023. Contains 367530 sequences. (Running on oeis4.)