Number of (n+1)X(n+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.

A263365

Number of (n+1)X(n+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.

Terms

    a(0) =1a(1) =2a(2) =82a(3) =24711a(4) =84790557

External references