Number of (n+1)X(7+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.
A250796
Number of (n+1)X(7+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) =1102a(1) =3868a(2) =13598a(3) =48600a(4) =177142a(5) =653880a(6) =2437366a(7) =9144752a(8) =34478398a(9) =130446176a(10) =494830430a(11) =1880740552a(12) =7158985446a(13) =27281746344a(14) =104059447110a(15) =397187462784
External references
- oeis: A250796