A195971 - cp's OEIS frontend

A195971 Number of n X 1 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.

n	a(n)
0	0
1	1
2	3
3	4
4	5
5	9
6	16
7	25
8	39
9	64
10	105
11	169
12	272
13	441
14	715
15	1156
16	1869
17	3025
18	4896
19	7921
20	12815
21	20736
22	33553
23	54289
24	87840
25	142129
26	229971
27	372100
28	602069
29	974169
30	1576240
31	2550409
32	4126647
33	6677056
34	10803705
35	17480761
36	28284464
37	45765225

[0, 1, 3, 4, 5, 9, 16, 25, 39, 64, 105, 169, 272, 441, 715, 1156, 1869, 3025, 4896, 7921, 12815, 20736, 33553, 54289, 87840, 142129, 229971, 372100, 602069, 974169, 1576240, 2550409, 4126647, 6677056, 10803705, 17480761, 28284464, 45765225]

cp's OEIS Frontend

A195971 Number of n X 1 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.

Table of values

List of values