Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.
A252086
Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.
Terms
- a(0) =3650a(1) =19910a(2) =132875a(3) =846257a(4) =5474209a(5) =35987921a(6) =235656844a(7) =1544714826a(8) =10150201969a(9) =66639770473a(10) =437387173890
External references
- oeis: A252086