Number of (n+1)X(n+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.
A250790
Number of (n+1)X(n+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.
Terms
- a(0) =10a(1) =66a(2) =482a(3) =3776a(4) =31220a(5) =270598a(6) =2437366a(7) =22741458a(8) =218754226a(9) =2164858272a(10) =21979131840a(11) =228579454066
External references
- oeis: A250790