A197883 - cp's OEIS frontend

A197883 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4.

n	a(n)
1	0
2	4
3	3
4	14
5	18
6	43
7	78
8	154
9	305
10	572
11	1178
12	2185
13	4440
14	8408
15	16795
16	32212
17	63608
18	123295
19	241494
20	470486
21	918795
22	1793434
23	3497978
24	6831997
25	13324168
26	26019470
27	50755921
28	99095168
29	193344576
30	377408195
31	736481712
32	1437442548
33	2805273219

[0, 4, 3, 14, 18, 43, 78, 154, 305, 572, 1178, 2185, 4440, 8408, 16795, 32212, 63608, 123295, 241494, 470486, 918795, 1793434, 3497978, 6831997, 13324168, 26019470, 50755921, 99095168, 193344576, 377408195, 736481712, 1437442548, 2805273219]

cp's OEIS Frontend

A197883 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4.

Table of values

List of values