A286418 - cp's OEIS frontend

A286418 Array read by antidiagonals: T(n,m) is the number of (undirected) cycles in the rook graph K_n X K_m.

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	1
7	7
8	14
9	14
10	7
11	37
12	170
13	312
14	170
15	37
16	197
17	2904
18	13945
19	13945
20	2904
21	197
22	1172
23	74779
24	1241696
25	3228524
26	1241696
27	74779
28	1172
29	8018
30	2751790
31	196846257
32	1723178763
33	1723178763
34	196846257
35	2751790
36	8018

[0, 0, 0, 1, 1, 1, 7, 14, 14, 7, 37, 170, 312, 170, 37, 197, 2904, 13945, 13945, 2904, 197, 1172, 74779, 1241696, 3228524, 1241696, 74779, 1172, 8018, 2751790, 196846257, 1723178763, 1723178763, 196846257, 2751790, 8018]

cp's OEIS Frontend

A286418 Array read by antidiagonals: T(n,m) is the number of (undirected) cycles in the rook graph K_n X K_m.

Table of values

List of values