A118522 - cp's OEIS frontend

A118522 Define sequence S_n by: initial term = n, reverse digits and add 3 to get next term. It is conjectured that S_n always reaches a cycle. Sequence gives number of steps for S_n to reach a cycle.

n	a(n)
1	1
2	3
3	3
4	0
5	2
6	2
7	0
8	1
9	1
10	0
11	0
12	0
13	6
14	0
15	0
16	0
17	4
18	0
19	0
20	3
21	0
22	0
23	14
24	0
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	0
33	11
34	5
35	13
36	10
37	3
38	6
39	6
40	1
41	5
42	5
43	4
44	0
45	0
46	4
47	0
48	0
49	0
50	2
51	0
52	0
53	7
54	0
55	0
56	12
57	0
58	0
59	0
60	2
61	0
62	0
63	7
64	0
65	0
66	9
67	3
68	11
69	8
70	1
71	4
72	4
73	2
74	3
75	3
76	2
77	0
78	0
79	2
80	0
81	0
82	0
83	6
84	0
85	0
86	5
87	0
88	0
89	10
90	0
91	0
92	0
93	6
94	0
95	0

[1, 3, 3, 0, 2, 2, 0, 1, 1, 0, 0, 0, 6, 0, 0, 0, 4, 0, 0, 3, 0, 0, 14, 0, 0, 0, 4, 0, 0, 3, 0, 0, 11, 5, 13, 10, 3, 6, 6, 1, 5, 5, 4, 0, 0, 4, 0, 0, 0, 2, 0, 0, 7, 0, 0, 12, 0, 0, 0, 2, 0, 0, 7, 0, 0, 9, 3, 11, 8, 1, 4, 4, 2, 3, 3, 2, 0, 0, 2, 0, 0, 0, 6, 0, 0, 5, 0, 0, 10, 0, 0, 0, 6, 0, 0]

cp's OEIS Frontend

A118522 Define sequence S_n by: initial term = n, reverse digits and add 3 to get next term. It is conjectured that S_n always reaches a cycle. Sequence gives number of steps for S_n to reach a cycle.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	0
5	2
6	2
7	0
8	1
9	1
10	0
11	0
12	0
13	6
14	0
15	0
16	0
17	4
18	0
19	0
20	3
21	0
22	0
23	14
24	0
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	0
33	11
34	5
35	13
36	10
37	3
38	6
39	6
40	1
41	5
42	5
43	4
44	0
45	0
46	4
47	0
48	0
49	0
50	2
51	0
52	0
53	7
54	0
55	0
56	12
57	0
58	0
59	0
60	2
61	0
62	0
63	7
64	0
65	0
66	9
67	3
68	11
69	8
70	1
71	4
72	4
73	2
74	3
75	3
76	2
77	0
78	0
79	2
80	0
81	0
82	0
83	6
84	0
85	0
86	5
87	0
88	0
89	10
90	0
91	0
92	0
93	6
94	0
95	0

n	a(n)
1	1
2	3
3	3
4	0
5	2
6	2
7	0
8	1
9	1
10	0
11	0
12	0
13	6
14	0
15	0
16	0
17	4
18	0
19	0
20	3
21	0
22	0
23	14
24	0
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	0
33	11
34	5
35	13
36	10
37	3
38	6
39	6
40	1
41	5
42	5
43	4
44	0
45	0
46	4
47	0
48	0
49	0
50	2
51	0
52	0
53	7
54	0
55	0
56	12
57	0
58	0
59	0
60	2
61	0
62	0
63	7
64	0
65	0
66	9
67	3
68	11
69	8
70	1
71	4
72	4
73	2
74	3
75	3
76	2
77	0
78	0
79	2
80	0
81	0
82	0
83	6
84	0
85	0
86	5
87	0
88	0
89	10
90	0
91	0
92	0
93	6
94	0
95	0

n	a(n)
1	1
2	3
3	3
4	0
5	2
6	2
7	0
8	1
9	1
10	0
11	0
12	0
13	6
14	0
15	0
16	0
17	4
18	0
19	0
20	3
21	0
22	0
23	14
24	0
25	0
26	0
27	4
28	0
29	0
30	3
31	0
32	0
33	11
34	5
35	13
36	10
37	3
38	6
39	6
40	1
41	5
42	5
43	4
44	0
45	0
46	4
47	0
48	0
49	0
50	2
51	0
52	0
53	7
54	0
55	0
56	12
57	0
58	0
59	0
60	2
61	0
62	0
63	7
64	0
65	0
66	9
67	3
68	11
69	8
70	1
71	4
72	4
73	2
74	3
75	3
76	2
77	0
78	0
79	2
80	0
81	0
82	0
83	6
84	0
85	0
86	5
87	0
88	0
89	10
90	0
91	0
92	0
93	6
94	0
95	0