Number of (n+2)X(6+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.
A251650
Number of (n+2)X(6+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 2 4 5 7 or 9.
Terms
- a(0) =4140a(1) =22904a(2) =74194a(3) =245842a(4) =1563586a(5) =5167050a(6) =17185778a(7) =108553714a(8) =360921738a(9) =1210167730a(10) =7559111602a(11) =25300264746a(12) =85512861490a(13) =527702965490
External references
- oeis: A251650