Number of (1+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.
A250692
Number of (1+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) =104a(1) =543a(2) =2541a(3) =11150a(4) =47002a(5) =193117a(6) =780551a(7) =3122604a(8) =12415380a(9) =49197371a(10) =194657281a(11) =769963978a(12) =3046948238a(13) =12068103705a(14) =47849956731a(15) =189941232872a(16) =754813261576
External references
- oeis: A250692