Number of (n+1) X (5+1) 0..2 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.
A250895
Number of (n+1) X (5+1) 0..2 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) =3673a(1) =11029a(2) =33821a(3) =102789a(4) =305429a(5) =890199a(6) =2553537a(7) =7243359a(8) =20421217a(9) =57483879a(10) =162149489a(11) =459536607a(12) =1310548497a(13) =3763833639a(14) =10886111617a(15) =31695302463a(16) =92829953729a(17) =273267490599a(18) =807835524561
External references
- oeis: A250895