Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.
A250608
Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.
Terms
- a(0) =247a(1) =586a(2) =1153a(3) =2092a(4) =3691a(5) =6526a(6) =11749a(7) =21664a(8) =40879a(9) =78610a(10) =153289a(11) =301780a(12) =597811a(13) =1188838a(14) =2369773a(15) =4730440a(16) =9450487a(17) =18889210a(18) =37765201a(19) =75515644a(20) =151014907a(21) =302011726a(22) =604003573a(23) =1207985392a(24) =2415947071a(25) =4831868386
External references
- oeis: A250608