A220553 - cp's OEIS frontend

A220553 T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly one horizontal, vertical or antidiagonal neighbor.

n	a(n)
1	1
2	2
3	2
4	3
5	8
6	3
7	5
8	29
9	29
10	5
11	8
12	108
13	224
14	108
15	8
16	13
17	401
18	1814
19	1814
20	401
21	13
22	21
23	1490
24	14556
25	32173
26	14556
27	1490
28	21
29	34
30	5536
31	117022
32	565061
33	565061
34	117022
35	5536
36	34
37	55
38	20569
39	940432
40	9943416
41	21668208
42	9943416
43	940432
44	20569
45	55
46	89
47	76424

[1, 2, 2, 3, 8, 3, 5, 29, 29, 5, 8, 108, 224, 108, 8, 13, 401, 1814, 1814, 401, 13, 21, 1490, 14556, 32173, 14556, 1490, 21, 34, 5536, 117022, 565061, 565061, 117022, 5536, 34, 55, 20569, 940432, 9943416, 21668208, 9943416, 940432, 20569, 55, 89, 76424]

cp's OEIS Frontend

A220553 T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly one horizontal, vertical or antidiagonal neighbor.

Table of values

List of values