A344018 - cp's OEIS frontend

A344018 Table read by rows: T(n,k) (n >= 1, 1 <= k <= 2^n) is the number of cycles of length k which can be produced by a general n-stage feedback shift register.

n	a(n)
1	2
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	2
10	3
11	2
12	3
13	4
14	2
15	2
16	1
17	2
18	3
19	6
20	7
21	8
22	12
23	14
24	17
25	14
26	13
27	12
28	20
29	32
30	16
31	2
32	1
33	2
34	3
35	6
36	9
37	12
38	20
39	32
40	57
41	78
42	113
43	154
44	208
45	300
46	406
47	538
48	703
49	842
50	1085
51	1310
52	1465
53	1544
54	1570
55	1968
56	2132
57	2000
58	2480
59	2176
60	2816
61	4096
62	2048

[2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 3, 4, 2, 2, 1, 2, 3, 6, 7, 8, 12, 14, 17, 14, 13, 12, 20, 32, 16, 2, 1, 2, 3, 6, 9, 12, 20, 32, 57, 78, 113, 154, 208, 300, 406, 538, 703, 842, 1085, 1310, 1465, 1544, 1570, 1968, 2132, 2000, 2480, 2176, 2816, 4096, 2048]

cp's OEIS Frontend

A344018 Table read by rows: T(n,k) (n >= 1, 1 <= k <= 2^n) is the number of cycles of length k which can be produced by a general n-stage feedback shift register.

Table of values

List of values