Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 4 6 or 7.
A252366
Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 4 6 or 7.
Terms
- a(0) =1482a(1) =6298a(2) =36078a(3) =192946a(4) =1007920a(5) =5340334a(6) =28210122a(7) =148778446a(8) =786842266a(9) =4159988004a(10) =21966997578a(11) =116024137654a(12) =613090746372
External references
- oeis: A252366