Number of (n+1)X(4+1) 0..2 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.
A250990
Number of (n+1)X(4+1) 0..2 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) =2359a(1) =16993a(2) =104674a(3) =590305a(4) =3184615a(5) =16694358a(6) =86049801a(7) =438901153a(8) =2225675881a(9) =11253642389a(10) =56849970930a(11) =287280128864
External references
- oeis: A250990