A270273 - cp's OEIS frontend

A270273 Array read by antidiagonals: T(n,m) = number of Hamiltonian cycles in C_n X C_m.

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	3
9	3
10	1
11	1
12	6
13	48
14	6
15	1
16	1
17	5
18	126
19	126
20	5
21	1
22	1
23	8
24	390
25	1344
26	390
27	8
28	1
29	1
30	7
31	1014
32	2930
33	2930
34	1014
35	7
36	1
37	1
38	10
39	2982
40	28060
41	23580
42	28060
43	2982
44	10
45	1
46	1
47	9
48	8094
49	55230
50	145210
51	145210
52	55230
53	8094
54	9
55	1

[0, 0, 0, 1, 1, 1, 1, 3, 3, 1, 1, 6, 48, 6, 1, 1, 5, 126, 126, 5, 1, 1, 8, 390, 1344, 390, 8, 1, 1, 7, 1014, 2930, 2930, 1014, 7, 1, 1, 10, 2982, 28060, 23580, 28060, 2982, 10, 1, 1, 9, 8094, 55230, 145210, 145210, 55230, 8094, 9, 1]

cp's OEIS Frontend

A270273 Array read by antidiagonals: T(n,m) = number of Hamiltonian cycles in C_n X C_m.

Table of values

List of values