Number of (1+1)X(n+1) 0..3 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.
A251038
Number of (1+1)X(n+1) 0..3 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) =110a(1) =711a(2) =4050a(3) =21720a(4) =110852a(5) =546600a(6) =2624313a(7) =12343573a(8) =57116869a(9) =260828863a(10) =1178253507a(11) =5274772080a(12) =23435131926a(13) =103447436545a(14) =454103279511
External references
- oeis: A251038