A249094 - cp's OEIS frontend

A249094 Length of reverse self-iteration of the Kolakoski sequence A000002 starting at A000002(n): a(n) = max { k | A000002(n-i+1) = A000002(i), 0 < i <= k }.

n	a(n)
2	0
3	0
4	4
5	1
6	0
7	2
8	0
9	0
10	4
11	0
12	0
13	4
14	1
15	0
16	2
17	1
18	0
19	0
20	7
21	0
22	2
23	1
24	0
25	2
26	0
27	0
28	4
29	1
30	0
31	2
32	1
33	0
34	2
35	0
36	0
37	4
38	0
39	0
40	4
41	1
42	0
43	2
44	0
45	0
46	4
47	0
48	2
49	1
50	0
51	2
52	1
53	0
54	0
55	7
56	0
57	0
58	4
59	1
60	0
61	2
62	0
63	0
64	4
65	0
66	0
67	4
68	1
69	0
70	2
71	1
72	0
73	2
74	0
75	0
76	4
77	0
78	2
79	1
80	0
81	0
82	11
83	0
84	0
85	4
86	1
87	0
88	2

[0, 0, 4, 1, 0, 2, 0, 0, 4, 0, 0, 4, 1, 0, 2, 1, 0, 0, 7, 0, 2, 1, 0, 2, 0, 0, 4, 1, 0, 2, 1, 0, 2, 0, 0, 4, 0, 0, 4, 1, 0, 2, 0, 0, 4, 0, 2, 1, 0, 2, 1, 0, 0, 7, 0, 0, 4, 1, 0, 2, 0, 0, 4, 0, 0, 4, 1, 0, 2, 1, 0, 2, 0, 0, 4, 0, 2, 1, 0, 0, 11, 0, 0, 4, 1, 0, 2]

cp's OEIS Frontend

A249094 Length of reverse self-iteration of the Kolakoski sequence A000002 starting at A000002(n): a(n) = max { k | A000002(n-i+1) = A000002(i), 0 < i <= k }.

Table of values

List of values

n	a(n)
2	0
3	0
4	4
5	1
6	0
7	2
8	0
9	0
10	4
11	0
12	0
13	4
14	1
15	0
16	2
17	1
18	0
19	0
20	7
21	0
22	2
23	1
24	0
25	2
26	0
27	0
28	4
29	1
30	0
31	2
32	1
33	0
34	2
35	0
36	0
37	4
38	0
39	0
40	4
41	1
42	0
43	2
44	0
45	0
46	4
47	0
48	2
49	1
50	0
51	2
52	1
53	0
54	0
55	7
56	0
57	0
58	4
59	1
60	0
61	2
62	0
63	0
64	4
65	0
66	0
67	4
68	1
69	0
70	2
71	1
72	0
73	2
74	0
75	0
76	4
77	0
78	2
79	1
80	0
81	0
82	11
83	0
84	0
85	4
86	1
87	0
88	2

n	a(n)
2	0
3	0
4	4
5	1
6	0
7	2
8	0
9	0
10	4
11	0
12	0
13	4
14	1
15	0
16	2
17	1
18	0
19	0
20	7
21	0
22	2
23	1
24	0
25	2
26	0
27	0
28	4
29	1
30	0
31	2
32	1
33	0
34	2
35	0
36	0
37	4
38	0
39	0
40	4
41	1
42	0
43	2
44	0
45	0
46	4
47	0
48	2
49	1
50	0
51	2
52	1
53	0
54	0
55	7
56	0
57	0
58	4
59	1
60	0
61	2
62	0
63	0
64	4
65	0
66	0
67	4
68	1
69	0
70	2
71	1
72	0
73	2
74	0
75	0
76	4
77	0
78	2
79	1
80	0
81	0
82	11
83	0
84	0
85	4
86	1
87	0
88	2

n	a(n)
2	0
3	0
4	4
5	1
6	0
7	2
8	0
9	0
10	4
11	0
12	0
13	4
14	1
15	0
16	2
17	1
18	0
19	0
20	7
21	0
22	2
23	1
24	0
25	2
26	0
27	0
28	4
29	1
30	0
31	2
32	1
33	0
34	2
35	0
36	0
37	4
38	0
39	0
40	4
41	1
42	0
43	2
44	0
45	0
46	4
47	0
48	2
49	1
50	0
51	2
52	1
53	0
54	0
55	7
56	0
57	0
58	4
59	1
60	0
61	2
62	0
63	0
64	4
65	0
66	0
67	4
68	1
69	0
70	2
71	1
72	0
73	2
74	0
75	0
76	4
77	0
78	2
79	1
80	0
81	0
82	11
83	0
84	0
85	4
86	1
87	0
88	2