A250753 - cp's OEIS frontend

A250753 Number of (n+1) X (6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

n	a(n)
1	402
2	1305
3	4182
4	13149
5	40722
6	124785
7	379662
8	1149669
9	3470442
10	10454265
11	31448742
12	94518189
13	283898562
14	852383745
15	2558527422
16	7678334709
17	23040509082
18	69132537225
19	207419631702
20	622302935229
21	1866996886002
22	5601166818705

[402, 1305, 4182, 13149, 40722, 124785, 379662, 1149669, 3470442, 10454265, 31448742, 94518189, 283898562, 852383745, 2558527422, 7678334709, 23040509082, 69132537225, 207419631702, 622302935229, 1866996886002, 5601166818705]

cp's OEIS Frontend

A250753 Number of (n+1) X (6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

Table of values

List of values