A361942 - cp's OEIS frontend

A361942 For any number n >= 0 with binary expansion (b_1, ..., b_w), a(n) is the least p > 0 such that b_i = b_{p+i} for i = 1..w-p.

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	2
6	3
7	1
8	4
9	3
10	2
11	3
12	4
13	3
14	4
15	1
16	5
17	4
18	3
19	4
20	5
21	2
22	3
23	4
24	5
25	4
26	5
27	3
28	5
29	4
30	5
31	1
32	6
33	5
34	4
35	5
36	3
37	5
38	4
39	5
40	6
41	5
42	2
43	5
44	6
45	3
46	4
47	5
48	6
49	5
50	6
51	4
52	6
53	5
54	3
55	4
56	6
57	5
58	6
59	4
60	6
61	5
62	6
63	1
64	7
65	6
66	5
67	6
68	4
69	6
70	5
71	6
72	7
73	3
74	5
75	6
76	4
77	6
78	5
79	6
80	7
81	6
82	5
83	6
84	7
85	2
86	5

[1, 1, 2, 1, 3, 2, 3, 1, 4, 3, 2, 3, 4, 3, 4, 1, 5, 4, 3, 4, 5, 2, 3, 4, 5, 4, 5, 3, 5, 4, 5, 1, 6, 5, 4, 5, 3, 5, 4, 5, 6, 5, 2, 5, 6, 3, 4, 5, 6, 5, 6, 4, 6, 5, 3, 4, 6, 5, 6, 4, 6, 5, 6, 1, 7, 6, 5, 6, 4, 6, 5, 6, 7, 3, 5, 6, 4, 6, 5, 6, 7, 6, 5, 6, 7, 2, 5]

cp's OEIS Frontend

A361942 For any number n >= 0 with binary expansion (b_1, ..., b_w), a(n) is the least p > 0 such that b_i = b_{p+i} for i = 1..w-p.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	2
6	3
7	1
8	4
9	3
10	2
11	3
12	4
13	3
14	4
15	1
16	5
17	4
18	3
19	4
20	5
21	2
22	3
23	4
24	5
25	4
26	5
27	3
28	5
29	4
30	5
31	1
32	6
33	5
34	4
35	5
36	3
37	5
38	4
39	5
40	6
41	5
42	2
43	5
44	6
45	3
46	4
47	5
48	6
49	5
50	6
51	4
52	6
53	5
54	3
55	4
56	6
57	5
58	6
59	4
60	6
61	5
62	6
63	1
64	7
65	6
66	5
67	6
68	4
69	6
70	5
71	6
72	7
73	3
74	5
75	6
76	4
77	6
78	5
79	6
80	7
81	6
82	5
83	6
84	7
85	2
86	5

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	2
6	3
7	1
8	4
9	3
10	2
11	3
12	4
13	3
14	4
15	1
16	5
17	4
18	3
19	4
20	5
21	2
22	3
23	4
24	5
25	4
26	5
27	3
28	5
29	4
30	5
31	1
32	6
33	5
34	4
35	5
36	3
37	5
38	4
39	5
40	6
41	5
42	2
43	5
44	6
45	3
46	4
47	5
48	6
49	5
50	6
51	4
52	6
53	5
54	3
55	4
56	6
57	5
58	6
59	4
60	6
61	5
62	6
63	1
64	7
65	6
66	5
67	6
68	4
69	6
70	5
71	6
72	7
73	3
74	5
75	6
76	4
77	6
78	5
79	6
80	7
81	6
82	5
83	6
84	7
85	2
86	5

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	2
6	3
7	1
8	4
9	3
10	2
11	3
12	4
13	3
14	4
15	1
16	5
17	4
18	3
19	4
20	5
21	2
22	3
23	4
24	5
25	4
26	5
27	3
28	5
29	4
30	5
31	1
32	6
33	5
34	4
35	5
36	3
37	5
38	4
39	5
40	6
41	5
42	2
43	5
44	6
45	3
46	4
47	5
48	6
49	5
50	6
51	4
52	6
53	5
54	3
55	4
56	6
57	5
58	6
59	4
60	6
61	5
62	6
63	1
64	7
65	6
66	5
67	6
68	4
69	6
70	5
71	6
72	7
73	3
74	5
75	6
76	4
77	6
78	5
79	6
80	7
81	6
82	5
83	6
84	7
85	2
86	5