Number of (n+1)X2 0..6 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.
A203665
Number of (n+1)X2 0..6 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) =728a(1) =10530a(2) =111648a(3) =1049566a(4) =8749285a(5) =67221763a(6) =482381877a(7) =3278417620a(8) =21292822076a(9) =133144962772a(10) =806160642570
External references
- oeis: A203665