Number of (n+1)X(7+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.
A250526
Number of (n+1)X(7+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.
Terms
- a(0) =112373a(1) =682921a(2) =2771901a(3) =9240559a(4) =27710543a(5) =78204775a(6) =212707851a(7) =565044857a(8) =1478308633a(9) =3832617341a(10) =9897332961a(11) =25578008747a(12) =66435440107a(13) =174080131035a(14) =461563409759
External references
- oeis: A250526