Number of (4+1)X(n+1) 0..3 arrays with nondecreasing 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.
A250695
Number of (4+1)X(n+1) 0..3 arrays with nondecreasing 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) =11736a(1) =76320a(2) =383440a(3) =1670016a(4) =6671458a(5) =25235016a(6) =92169818a(7) =329292956a(8) =1160994284a(9) =4064711976a(10) =14193722396a(11) =49590850136a(12) =173757950350a(13) =611608432408
External references
- oeis: A250695