Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.
A252029
Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.
Terms
- a(0) =1805a(1) =5285a(2) =24664a(3) =126920a(4) =672903a(5) =3560831a(6) =18791972a(7) =99214423a(8) =524431707a(9) =2773560231a(10) =14668200861a(11) =77569992820a(12) =410248950984
External references
- oeis: A252029