A197312 - cp's OEIS frontend

A197312 Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4.

n	a(n)
1	2
2	3
3	5
4	10
5	128
6	79
7	249
8	662
9	2767
10	3969
11	14343
12	26565
13	85744
14	172877
15	540761
16	1086259
17	3216870
18	6970421
19	19943621
20	43866426
21	122208464
22	276719535
23	753092637
24	1739409216
25	4652758432
26	10905015671
27	28759884710
28	68307698666
29	178118628885

[2, 3, 5, 10, 128, 79, 249, 662, 2767, 3969, 14343, 26565, 85744, 172877, 540761, 1086259, 3216870, 6970421, 19943621, 43866426, 122208464, 276719535, 753092637, 1739409216, 4652758432, 10905015671, 28759884710, 68307698666, 178118628885]

cp's OEIS Frontend

A197312 Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4.

Table of values

List of values