505062

Appears in sequences

• Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=4A252313
• Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=4A252318
• a(n) = 324*n^2 - 336*n + 102 (n >= 1).at n=39A304165