A250818 - cp's OEIS frontend

A250818 Number of (6+1) X (n+1) 0..2 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	13449
2	42769
3	102393
4	207831
5	377857
6	634509
7	1003089
8	1512163
9	2193561
10	3082377
11	4216969
12	5638959
13	7393233
14	9527941
15	12094497
16	15147579
17	18745129
18	22948353
19	27821721
20	33432967
21	39853089
22	47156349
23	55420273
24	64725651
25	75156537
26	86800249

[13449, 42769, 102393, 207831, 377857, 634509, 1003089, 1512163, 2193561, 3082377, 4216969, 5638959, 7393233, 9527941, 12094497, 15147579, 18745129, 22948353, 27821721, 33432967, 39853089, 47156349, 55420273, 64725651, 75156537, 86800249]

cp's OEIS Frontend

A250818 Number of (6+1) X (n+1) 0..2 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