A250858 - cp's OEIS frontend

A250858 Number of (6+1) X (n+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

n	a(n)
1	233683
2	1280447
3	4648157
4	13263136
5	32201019
6	69543783
7	137379337
8	252943672
9	439905571
10	729793879
11	1163567333
12	1793326952
13	2684170987
14	3916192431
15	5586619089
16	7812096208
17	10731111667
18	14506563727
19	19328471341
20	25416827024

[233683, 1280447, 4648157, 13263136, 32201019, 69543783, 137379337, 252943672, 439905571, 729793879, 1163567333, 1793326952, 2684170987, 3916192431, 5586619089, 7812096208, 10731111667, 14506563727, 19328471341, 25416827024]

cp's OEIS Frontend

A250858 Number of (6+1) X (n+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Table of values

List of values