A265648 - cp's OEIS frontend

A265648 Number of binary strings of length n that are powers of shorter strings, but cannot be written as the concatenation of two or more such strings.

n	a(n)
1	0
2	2
3	2
4	2
5	0
6	8
7	0
8	10
9	6
10	20
11	0
12	48
13	0
14	74
15	26
16	146
17	0
18	372
19	0
20	630
21	94
22	1350
23	0
24	2864
25	0
26	5598
27	368
28	11140
29	0
30	23892
31	0
32	46194
33	1524
34	95552
35	0
36	193026
37	0
38	390774
39	6098
40	778684
41	0
42	1606572
43	0
44	3180700
45	24554
46	6488240
47	0
48	13003236
49	0
50	26349278
51	99384

[0, 2, 2, 2, 0, 8, 0, 10, 6, 20, 0, 48, 0, 74, 26, 146, 0, 372, 0, 630, 94, 1350, 0, 2864, 0, 5598, 368, 11140, 0, 23892, 0, 46194, 1524, 95552, 0, 193026, 0, 390774, 6098, 778684, 0, 1606572, 0, 3180700, 24554, 6488240, 0, 13003236, 0, 26349278, 99384]

cp's OEIS Frontend

A265648 Number of binary strings of length n that are powers of shorter strings, but cannot be written as the concatenation of two or more such strings.

Table of values

List of values