A138753 - cp's OEIS frontend

A138753 Number of iterations of A138754 before reaching a number for the second time, when starting with n.

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

[1, 4, 5, 3, 3, 5, 3, 8, 6, 4, 21, 17, 7, 7, 5, 5, 22, 24, 20, 18, 18, 16, 8, 6, 8, 6, 29, 23, 27, 23, 23, 21, 19, 19, 17, 21, 17, 15, 7, 7, 9, 60, 9, 9, 7, 30, 28, 26, 24, 26, 24, 24, 28, 24, 22, 20, 20, 22, 20, 18, 20, 18, 20, 18, 18, 16, 14, 12, 10, 12, 10, 61, 59, 55, 12, 10, 8, 31]

cp's OEIS Frontend

A138753 Number of iterations of A138754 before reaching a number for the second time, when starting with n.

Table of values

List of values

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

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

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