Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally and vertically.

A253932

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally and vertically.

Terms

    a(0) =91296a(1) =299727a(2) =992616a(3) =3152822a(4) =3515548a(5) =6348659a(6) =9470400a(7) =11628396a(8) =17673400a(9) =27050795a(10) =39953480a(11) =60949836a(12) =92326066a(13) =139144143a(14) =209469426a(15) =313061550a(16) =464262972a(17) =684266432a(18) =1000888422a(19) =1452696403a(20) =2091096410a(21) =2987297421

External references