Number of (n+1)X(7+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, and rows and columns lexicographically nonincreasing.

A263798

Number of (n+1)X(7+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, and rows and columns lexicographically nonincreasing.

Terms

    a(0) =5a(1) =5a(2) =25a(3) =56a(4) =494a(5) =4991a(6) =62904a(7) =760671a(8) =8468941a(9) =90476206a(10) =850301770a(11) =7703098612a(12) =62160939006a(13) =482749236704

External references