Number of (n+1)X(2+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.
A251031
Number of (n+1)X(2+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) =711a(1) =6089a(2) =45150a(3) =304421a(4) =1946207a(5) =12029009a(6) =72779934a(7) =434254685a(8) =2567561554a(9) =15090103381a(10) =88339885078a(11) =515834692826
External references
- oeis: A251031