A056503 - cp's OEIS frontend

A056503 Number of periodic palindromic structures of length n using a maximum of two different symbols.

n	a(n)
1	1
2	2
3	2
4	4
5	4
6	7
7	8
8	14
9	16
10	26
11	32
12	51
13	64
14	100
15	128
16	198
17	256
18	392
19	512
20	778
21	1024
22	1552
23	2048
24	3091
25	4096
26	6176
27	8192
28	12324
29	16384
30	24640
31	32768
32	49222
33	65536
34	98432
35	131072
36	196744
37	262144
38	393472
39	524288
40	786698
41	1048576
42	1573376
43	2097152
44	3146256
45	4194304

[1, 2, 2, 4, 4, 7, 8, 14, 16, 26, 32, 51, 64, 100, 128, 198, 256, 392, 512, 778, 1024, 1552, 2048, 3091, 4096, 6176, 8192, 12324, 16384, 24640, 32768, 49222, 65536, 98432, 131072, 196744, 262144, 393472, 524288, 786698, 1048576, 1573376, 2097152, 3146256, 4194304]

cp's OEIS Frontend

A056503 Number of periodic palindromic structures of length n using a maximum of two different symbols.

Table of values

List of values