Number of (4+1)X(n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
A250636
Number of (4+1)X(n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
Terms
- a(0) =1072a(1) =7342a(2) =43185a(3) =218680a(4) =1014946a(5) =4416061a(6) =18465586a(7) =74732823a(8) =296093261a(9) =1152271759a(10) =4431083756a(11) =16868521712a(12) =63789520796a(13) =239860653668a(14) =898625766687
External references
- oeis: A250636