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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.
1
2, 5, 90, 2399, 570922, 394241389, 1456404454010, 19392931688071671, 1134083007177482717802, 256890679674803015904974405, 239672757231397671662393429466490
OFFSET
1,1
COMMENTS
Diagonal of A262332.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 18 2015
STATUS
approved