Number of (n+1)X2 0..5 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.
A203937
Number of (n+1)X2 0..5 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.
Terms
- a(0) =406a(1) =4471a(2) =36672a(3) =269254a(4) =1769897a(5) =10808414a(6) =62091544a(7) =339988204a(8) =1789320301a(9) =9113698989a(10) =45160825978a(11) =218642188474
External references
- oeis: A203937