Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A259008

Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =9374a(1) =21073a(2) =55760a(3) =159480a(4) =397152a(5) =915452a(6) =2005182a(7) =4136140a(8) =8078000a(9) =15207697a(10) =27992566a(11) =49262392a(12) =85034718a(13) =144739230a(14) =240912192a(15) =392252878a(16) =631489978a(17) =1002303755a(18) =1565538282a(19) =2411206601a(20) =3673018438a(21) =5530443094a(22) =8228004970

External references