Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or 5.

A251907

Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 4 or 5.

Terms

    a(0) =87472a(1) =1524496a(2) =31829596a(3) =634891856a(4) =13021221976a(5) =273455709590

External references