A183364 - cp's OEIS frontend

A183364 Number of n X 2 binary arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors.

n	a(n)
1	2
2	3
3	5
4	12
5	21
6	41
7	84
8	171
9	355
10	732
11	1517
12	3165
13	6608
14	13809
15	28871
16	60398
17	126425
18	264681
19	554188
20	1160473
21	2430233
22	5089614
23	10659415
24	22324873
25	46757436
26	97930229
27	205109405
28	429591772
29	899761459
30	1884515059
31	3947047760
32	8266953369

[2, 3, 5, 12, 21, 41, 84, 171, 355, 732, 1517, 3165, 6608, 13809, 28871, 60398, 126425, 264681, 554188, 1160473, 2430233, 5089614, 10659415, 22324873, 46757436, 97930229, 205109405, 429591772, 899761459, 1884515059, 3947047760, 8266953369]

cp's OEIS Frontend

A183364 Number of n X 2 binary arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors.

Table of values

List of values