A250680 - cp's OEIS frontend

A250680 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.

n	a(n)
1	11736
2	210158
3	3107446
4	41503790
5	505108522
6	5726252240
7	61498698426
8	632850763138
9	6297768773474
10	61000028098516
11	578059653008102
12	5380105017634102
13	49331581021446126
14	446710039295094002

[11736, 210158, 3107446, 41503790, 505108522, 5726252240, 61498698426, 632850763138, 6297768773474, 61000028098516, 578059653008102, 5380105017634102, 49331581021446126, 446710039295094002]

cp's OEIS Frontend

A250680 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.

Table of values

List of values