A252930 - cp's OEIS frontend

A252930 T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-6 and value increasing by 0 or 1 with every step right or down.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	1
13	1
14	1
15	1
16	5
17	19
18	33
19	33
20	19
21	5
22	15
23	120
24	413
25	615
26	413
27	120
28	15
29	35
30	483
31	2859
32	6997
33	6997
34	2859
35	483
36	35
37	70
38	1500
39	13976
40	53950
41	84910
42	53950
43	13976
44	1500
45	70
46	126
47	3923
48	54199
49	315198
50	762227
51	762227
52	315198
53	54199
54	3923
55	126
56	210

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 5, 19, 33, 33, 19, 5, 15, 120, 413, 615, 413, 120, 15, 35, 483, 2859, 6997, 6997, 2859, 483, 35, 70, 1500, 13976, 53950, 84910, 53950, 13976, 1500, 70, 126, 3923, 54199, 315198, 762227, 762227, 315198, 54199, 3923, 126, 210]

cp's OEIS Frontend

A252930 T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-6 and value increasing by 0 or 1 with every step right or down.

Table of values

List of values