A250849 - cp's OEIS frontend

A250849 Number of (n+1) X (4+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	3136
2	21436
3	123016
4	626416
5	2955136
6	13263136
7	57570016
8	244213216
9	1019415136
10	4206874336
11	17218194016
12	70050978016
13	283750743136
14	1145667917536
15	4614715410016
16	18555090670816
17	74509245399136
18	298904020992736

[3136, 21436, 123016, 626416, 2955136, 13263136, 57570016, 244213216, 1019415136, 4206874336, 17218194016, 70050978016, 283750743136, 1145667917536, 4614715410016, 18555090670816, 74509245399136, 298904020992736]

cp's OEIS Frontend

A250849 Number of (n+1) X (4+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