A231829 - cp's OEIS frontend

A231829 Square array read by antidiagonals: T(m,n) = number of ways of creating a closed, simple loop on an m X n rectangular lattice.

n	a(n)
1	1
2	3
3	3
4	6
5	13
6	6
7	10
8	40
9	40
10	10
11	15
12	108
13	213
14	108
15	15
16	21
17	275
18	1049
19	1049
20	275
21	21
22	28
23	681
24	5034
25	9349
26	5034
27	681
28	28
29	36
30	1664
31	23984
32	80626
33	80626
34	23984
35	1664
36	36
37	45
38	4040
39	114069
40	692194
41	1222363
42	692194
43	114069
44	4040
45	45

[1, 3, 3, 6, 13, 6, 10, 40, 40, 10, 15, 108, 213, 108, 15, 21, 275, 1049, 1049, 275, 21, 28, 681, 5034, 9349, 5034, 681, 28, 36, 1664, 23984, 80626, 80626, 23984, 1664, 36, 45, 4040, 114069, 692194, 1222363, 692194, 114069, 4040, 45]

cp's OEIS Frontend

A231829 Square array read by antidiagonals: T(m,n) = number of ways of creating a closed, simple loop on an m X n rectangular lattice.

Table of values

List of values