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

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