Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically.

A254814

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically.

Terms

    a(0) =12730a(1) =95110a(2) =748444a(3) =5525547a(4) =37573674a(5) =247721056a(6) =1555784900a(7) =9507310251a(8) =56427672574a(9) =327734201374

External references