A197469 - cp's OEIS frontend

A197469 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,1,0,0,0 for x=0,1,2,3,4.

n	a(n)
1	1
2	2
3	6
4	12
5	24
6	50
7	98
8	194
9	394
10	786
11	1562
12	3138
13	6282
14	12530
15	25082
16	50210
17	100330
18	200658
19	401498
20	802818
21	1605450
22	3211442
23	6422714
24	12844514
25	25690282
26	51381138
27	102759194
28	205520322
29	411044874
30	822081650
31	1644162938
32	3288342434

[1, 2, 6, 12, 24, 50, 98, 194, 394, 786, 1562, 3138, 6282, 12530, 25082, 50210, 100330, 200658, 401498, 802818, 1605450, 3211442, 6422714, 12844514, 25690282, 51381138, 102759194, 205520322, 411044874, 822081650, 1644162938, 3288342434]

cp's OEIS Frontend

A197469 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,1,0,0,0 for x=0,1,2,3,4.

Table of values

List of values