Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.
A252085
Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.
Terms
- a(0) =1591a(1) =7089a(2) =38374a(3) =199064a(4) =1034546a(5) =5474209a(6) =28883234a(7) =152360177a(8) =805901591a(9) =4260742020a(10) =22510973975a(11) =118986810308a(12) =629109658471
External references
- oeis: A252085