A216557 - cp's OEIS frontend

A216557 Number of iterations of A216556 until the initial value n appears as a substring of the iterate; 0 if this will never happen.

n	a(n)
0	10
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	19
12	28
13	37
14	46
15	55
16	64
17	73
18	82
19	90
20	0
21	9
22	19
23	28
24	37
25	46
26	55
27	64
28	73
29	82
30	0
31	89
32	9
33	19
34	28
35	37
36	46
37	55
38	64
39	73
40	0
41	79
42	89
43	9
44	19
45	28
46	37
47	46
48	55
49	64
50	0
51	69
52	79
53	89
54	9
55	19
56	28
57	37
58	46
59	55
60	0
61	59
62	69
63	79
64	89
65	9
66	19
67	28
68	37
69	46
70	0
71	49
72	59
73	69
74	79
75	89
76	9
77	19
78	28
79	37
80	0
81	39
82	49
83	59
84	69
85	79
86	89
87	9
88	19
89	28
90	0
91	29
92	39
93	49
94	59
95	69
96	79

[10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 19, 28, 37, 46, 55, 64, 73, 82, 90, 0, 9, 19, 28, 37, 46, 55, 64, 73, 82, 0, 89, 9, 19, 28, 37, 46, 55, 64, 73, 0, 79, 89, 9, 19, 28, 37, 46, 55, 64, 0, 69, 79, 89, 9, 19, 28, 37, 46, 55, 0, 59, 69, 79, 89, 9, 19, 28, 37, 46, 0, 49, 59, 69, 79, 89, 9, 19, 28, 37, 0, 39, 49, 59, 69, 79, 89, 9, 19, 28, 0, 29, 39, 49, 59, 69, 79]

cp's OEIS Frontend

A216557 Number of iterations of A216556 until the initial value n appears as a substring of the iterate; 0 if this will never happen.

Table of values

List of values

n	a(n)
0	10
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	19
12	28
13	37
14	46
15	55
16	64
17	73
18	82
19	90
20	0
21	9
22	19
23	28
24	37
25	46
26	55
27	64
28	73
29	82
30	0
31	89
32	9
33	19
34	28
35	37
36	46
37	55
38	64
39	73
40	0
41	79
42	89
43	9
44	19
45	28
46	37
47	46
48	55
49	64
50	0
51	69
52	79
53	89
54	9
55	19
56	28
57	37
58	46
59	55
60	0
61	59
62	69
63	79
64	89
65	9
66	19
67	28
68	37
69	46
70	0
71	49
72	59
73	69
74	79
75	89
76	9
77	19
78	28
79	37
80	0
81	39
82	49
83	59
84	69
85	79
86	89
87	9
88	19
89	28
90	0
91	29
92	39
93	49
94	59
95	69
96	79

n	a(n)
0	10
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	19
12	28
13	37
14	46
15	55
16	64
17	73
18	82
19	90
20	0
21	9
22	19
23	28
24	37
25	46
26	55
27	64
28	73
29	82
30	0
31	89
32	9
33	19
34	28
35	37
36	46
37	55
38	64
39	73
40	0
41	79
42	89
43	9
44	19
45	28
46	37
47	46
48	55
49	64
50	0
51	69
52	79
53	89
54	9
55	19
56	28
57	37
58	46
59	55
60	0
61	59
62	69
63	79
64	89
65	9
66	19
67	28
68	37
69	46
70	0
71	49
72	59
73	69
74	79
75	89
76	9
77	19
78	28
79	37
80	0
81	39
82	49
83	59
84	69
85	79
86	89
87	9
88	19
89	28
90	0
91	29
92	39
93	49
94	59
95	69
96	79

n	a(n)
0	10
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	19
12	28
13	37
14	46
15	55
16	64
17	73
18	82
19	90
20	0
21	9
22	19
23	28
24	37
25	46
26	55
27	64
28	73
29	82
30	0
31	89
32	9
33	19
34	28
35	37
36	46
37	55
38	64
39	73
40	0
41	79
42	89
43	9
44	19
45	28
46	37
47	46
48	55
49	64
50	0
51	69
52	79
53	89
54	9
55	19
56	28
57	37
58	46
59	55
60	0
61	59
62	69
63	79
64	89
65	9
66	19
67	28
68	37
69	46
70	0
71	49
72	59
73	69
74	79
75	89
76	9
77	19
78	28
79	37
80	0
81	39
82	49
83	59
84	69
85	79
86	89
87	9
88	19
89	28
90	0
91	29
92	39
93	49
94	59
95	69
96	79