A288518 - cp's OEIS frontend

A288518 Array read by antidiagonals: T(m,n) = number of (undirected) paths in the grid graph P_m X P_n.

n	a(n)
1	0
2	1
3	1
4	3
5	12
6	3
7	6
8	49
9	49
10	6
11	10
12	146
13	322
14	146
15	10
16	15
17	373
18	1618
19	1618
20	373
21	15
22	21
23	872
24	7119
25	14248
26	7119
27	872
28	21
29	28
30	1929
31	28917
32	111030
33	111030
34	28917
35	1929
36	28
37	36
38	4118
39	111360
40	801756
41	1530196
42	801756
43	111360
44	4118
45	36

[0, 1, 1, 3, 12, 3, 6, 49, 49, 6, 10, 146, 322, 146, 10, 15, 373, 1618, 1618, 373, 15, 21, 872, 7119, 14248, 7119, 872, 21, 28, 1929, 28917, 111030, 111030, 28917, 1929, 28, 36, 4118, 111360, 801756, 1530196, 801756, 111360, 4118, 36]

cp's OEIS Frontend

A288518 Array read by antidiagonals: T(m,n) = number of (undirected) paths in the grid graph P_m X P_n.

Table of values

List of values