A291800 - cp's OEIS frontend

A291800 Take n-th word over {1,2} listed in A291797 and apply the Post tag system described in A284116 (but adapted to the alphabet {1,2}); a(n) = length of first word we see in the orbit of that word that is in the cycle, if the orbit cycles, or 0 if the orbit reaches the empty string, or -1 if the orbit is unbounded.

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

[0, 5, 0, 6, 15, 15, 0, 0, 0, 15, 15, 15, 15, 15, 0, 15, 0, 15, 15, 12, 15, 15, 15, 15, 19, 19, 13, 15, 0, 19, 0, 15, 15, 13, 0, 0, 15, 15, 15, 0, 0, 0, 13, 0, 19, 19, 13, 14, 0, 19, 19, 0, 17, 0, 13, 19, 0, 17, 19, 19, 31, 0, 0, 0, 15, 13, 13, 19, 13, 19, 0]

cp's OEIS Frontend

Table of values

List of values

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

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

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