Number of (n+1) X 4 0..4 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.
A203865
Number of (n+1) X 4 0..4 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) =10077a(1) =210190a(2) =2935262a(3) =31521422a(4) =269967062a(5) =1959924899a(6) =12355307346a(7) =69538725100a(8) =355086812343
External references
- oeis: A203865