A321172 - cp's OEIS frontend

A321172 Triangle read by rows: T(m,n) = number of Hamiltonian cycles on m X n grid of points (m >= 2, 2 <= n <= m).

n	a(n)
2	1
3	1
4	0
5	1
6	2
7	6
8	1
9	0
10	14
11	0
12	1
13	4
14	37
15	154
16	1072
17	1
18	0
19	92
20	0
21	5320
22	0
23	1
24	8
25	236
26	1696
27	32675
28	301384
29	4638576
30	1
31	0
32	596
33	0
34	175294
35	0
36	49483138
37	0
38	1
39	16
40	1517
41	18684
42	1024028
43	17066492
44	681728204
45	13916993782
46	467260456608

[1, 1, 0, 1, 2, 6, 1, 0, 14, 0, 1, 4, 37, 154, 1072, 1, 0, 92, 0, 5320, 0, 1, 8, 236, 1696, 32675, 301384, 4638576, 1, 0, 596, 0, 175294, 0, 49483138, 0, 1, 16, 1517, 18684, 1024028, 17066492, 681728204, 13916993782, 467260456608]

cp's OEIS Frontend

A321172 Triangle read by rows: T(m,n) = number of Hamiltonian cycles on m X n grid of points (m >= 2, 2 <= n <= m).

Table of values

List of values