Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4.
A252062
Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4.
Terms
- a(0) =1948a(1) =5610a(2) =25220a(3) =126936a(4) =664938a(5) =3510697a(6) =18508976a(7) =97654871a(8) =516198206a(9) =2730269271a(10) =14438548815a(11) =76352728286a(12) =403819220427
External references
- oeis: A252062