A199655 - cp's OEIS frontend

A199655 T(n,k) = Number of n X k 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors.

n	a(n)
1	1
2	2
3	2
4	5
5	14
6	5
7	14
8	113
9	113
10	14
11	41
12	953
13	2584
14	953
15	41
16	122
17	8037
18	59212
19	59212
20	8037
21	122
22	365
23	67774
24	1357484
25	3695683
26	1357484
27	67774
28	365
29	1094
30	571530
31	31120632
32	230693158
33	230693158
34	31120632
35	571530
36	1094
37	3281
38	4819638
39	713445976

[1, 2, 2, 5, 14, 5, 14, 113, 113, 14, 41, 953, 2584, 953, 41, 122, 8037, 59212, 59212, 8037, 122, 365, 67774, 1357484, 3695683, 1357484, 67774, 365, 1094, 571530, 31120632, 230693158, 230693158, 31120632, 571530, 1094, 3281, 4819638, 713445976]

cp's OEIS Frontend

A199655 T(n,k) = Number of n X k 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors.

Table of values

List of values