A250687 - cp's OEIS frontend

A250687 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 absolute value of x(i,j)-x(i-1,j) in the j direction.

n	a(n)
1	11150
2	60508
3	324648
4	1670016
5	8038566
6	36673634
7	160222342
8	676640344
9	2784280670
10	11235235268
11	44688274606
12	175922640288
13	687672281246
14	2676084468860
15	10388862354030
16	40297745223480
17	156374569711646

[11150, 60508, 324648, 1670016, 8038566, 36673634, 160222342, 676640344, 2784280670, 11235235268, 44688274606, 175922640288, 687672281246, 2676084468860, 10388862354030, 40297745223480, 156374569711646]

cp's OEIS Frontend

A250687 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 absolute value of x(i,j)-x(i-1,j) in the j direction.

Table of values

List of values