A002730 - cp's OEIS frontend

A002730 Number of equivalence classes of binary sequences of primitive period n.

n	a(n)
1	2
2	1
3	2
4	3
5	4
6	8
7	8
8	18
9	18
10	38
11	28
12	142
13	72
14	234
15	360
16	669
17	520
18	2606
19	1608
20	7338
21	8856
22	19370
23	16768
24	94308
25	67556
26	216200
27	277512
28	815310
29	662368
30	4499852
31	2311468
32	8465496
33	13045076
34	31592762
35	40937592
36	159769394
37	103197488
38	401912086

[2, 1, 2, 3, 4, 8, 8, 18, 18, 38, 28, 142, 72, 234, 360, 669, 520, 2606, 1608, 7338, 8856, 19370, 16768, 94308, 67556, 216200, 277512, 815310, 662368, 4499852, 2311468, 8465496, 13045076, 31592762, 40937592, 159769394, 103197488, 401912086]

cp's OEIS Frontend

A002730 Number of equivalence classes of binary sequences of primitive period n.

Table of values

List of values