A212801 - cp's OEIS frontend

A212801 Square array read by antidiagonals: T(m,n) = number of Eulerian circuits in the Cartesian product of two directed cycles of lengths m and n.

n	a(n)
1	1
2	1
3	1
4	1
5	4
6	1
7	1
8	13
9	13
10	1
11	1
12	40
13	108
14	40
15	1
16	1
17	121
18	793
19	793
20	121
21	1
22	1
23	364
24	5611
25	12800
26	5611
27	364
28	1
29	1
30	1093
31	39312
32	193721
33	193721
34	39312
35	1093
36	1
37	1
38	3280
39	274933
40	2886520
41	6050000
42	2886520
43	274933
44	3280
45	1
46	1
47	9841
48	1923025
49	42999713
50	183990301
51	183990301
52	42999713
53	1923025
54	9841
55	1

[1, 1, 1, 1, 4, 1, 1, 13, 13, 1, 1, 40, 108, 40, 1, 1, 121, 793, 793, 121, 1, 1, 364, 5611, 12800, 5611, 364, 1, 1, 1093, 39312, 193721, 193721, 39312, 1093, 1, 1, 3280, 274933, 2886520, 6050000, 2886520, 274933, 3280, 1, 1, 9841, 1923025, 42999713, 183990301, 183990301, 42999713, 1923025, 9841, 1]

cp's OEIS Frontend

A212801 Square array read by antidiagonals: T(m,n) = number of Eulerian circuits in the Cartesian product of two directed cycles of lengths m and n.

Table of values

List of values