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A263052
Number of (n+1)X(n+1) 0..1 arrays with each row and column not divisible by 3, read as a binary number with top and left being the most significant bits.
1
2, 33, 1666, 498597, 439260642, 1825928130193, 26380510465997186, 1607516667474074649381, 373842629115554331580791202, 353418497958270475251697468005873
OFFSET
1,1
COMMENTS
Diagonal of A263060.
LINKS
EXAMPLE
Some solutions for n=3
..1..0..1..1....1..0..0..0....0..1..0..1....1..0..1..1....1..0..1..1
..0..1..0..0....0..1..1..1....0..0..1..0....0..0..0..1....0..1..0..1
..1..0..1..1....1..0..1..0....0..1..0..1....1..0..1..1....0..1..1..1
..0..0..1..0....1..0..1..1....1..1..1..0....1..1..1..0....0..1..0..0
CROSSREFS
Cf. A263060.
Sequence in context: A198901 A242621 A206385 * A090335 A302452 A113105
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 08 2015
STATUS
approved