Number of (n+2)X(6+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 4.

A251680

Number of (n+2)X(6+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 4.

Terms

    a(0) =12063a(1) =36075a(2) =184139a(3) =1116829a(4) =7229485a(5) =47407259a(6) =310560937a(7) =2035481639a(8) =13365199539a(9) =87801989105a(10) =576739855753

External references