A053475 - cp's OEIS frontend

A053475 1 + the number of iterations of A051953 (Euler-cototient) function needed to reach 0, starting at n.

n	a(n)
1	2
2	3
3	3
4	4
5	3
6	5
7	3
8	5
9	4
10	6
11	3
12	6
13	3
14	6
15	4
16	6
17	3
18	7
19	3
20	7
21	5
22	7
23	3
24	7
25	4
26	7
27	5
28	7
29	3
30	8
31	3
32	7
33	4
34	8
35	4
36	8
37	3
38	8
39	5
40	8
41	3
42	9
43	3
44	8
45	6
46	8
47	3
48	8
49	4
50	9
51	4
52	8
53	3
54	9
55	5
56	8
57	6
58	9
59	3
60	9
61	3
62	8
63	6
64	8
65	4
66	9
67	3
68	9
69	5
70	9
71	3
72	9
73	3
74	9
75	5
76	9
77	4
78	10
79	3
80	9
81	6
82	10
83	3
84	10
85	6
86	9
87	4
88	9
89	3
90	10
91	4
92	9
93	5
94	9
95	4
96	9
97	3
98	9
99	6
100	10
101	3
102	10

[2, 3, 3, 4, 3, 5, 3, 5, 4, 6, 3, 6, 3, 6, 4, 6, 3, 7, 3, 7, 5, 7, 3, 7, 4, 7, 5, 7, 3, 8, 3, 7, 4, 8, 4, 8, 3, 8, 5, 8, 3, 9, 3, 8, 6, 8, 3, 8, 4, 9, 4, 8, 3, 9, 5, 8, 6, 9, 3, 9, 3, 8, 6, 8, 4, 9, 3, 9, 5, 9, 3, 9, 3, 9, 5, 9, 4, 10, 3, 9, 6, 10, 3, 10, 6, 9, 4, 9, 3, 10, 4, 9, 5, 9, 4, 9, 3, 9, 6, 10, 3, 10]

cp's OEIS Frontend

A053475 1 + the number of iterations of A051953 (Euler-cototient) function needed to reach 0, starting at n.

Table of values

List of values

n	a(n)
1	2
2	3
3	3
4	4
5	3
6	5
7	3
8	5
9	4
10	6
11	3
12	6
13	3
14	6
15	4
16	6
17	3
18	7
19	3
20	7
21	5
22	7
23	3
24	7
25	4
26	7
27	5
28	7
29	3
30	8
31	3
32	7
33	4
34	8
35	4
36	8
37	3
38	8
39	5
40	8
41	3
42	9
43	3
44	8
45	6
46	8
47	3
48	8
49	4
50	9
51	4
52	8
53	3
54	9
55	5
56	8
57	6
58	9
59	3
60	9
61	3
62	8
63	6
64	8
65	4
66	9
67	3
68	9
69	5
70	9
71	3
72	9
73	3
74	9
75	5
76	9
77	4
78	10
79	3
80	9
81	6
82	10
83	3
84	10
85	6
86	9
87	4
88	9
89	3
90	10
91	4
92	9
93	5
94	9
95	4
96	9
97	3
98	9
99	6
100	10
101	3
102	10

n	a(n)
1	2
2	3
3	3
4	4
5	3
6	5
7	3
8	5
9	4
10	6
11	3
12	6
13	3
14	6
15	4
16	6
17	3
18	7
19	3
20	7
21	5
22	7
23	3
24	7
25	4
26	7
27	5
28	7
29	3
30	8
31	3
32	7
33	4
34	8
35	4
36	8
37	3
38	8
39	5
40	8
41	3
42	9
43	3
44	8
45	6
46	8
47	3
48	8
49	4
50	9
51	4
52	8
53	3
54	9
55	5
56	8
57	6
58	9
59	3
60	9
61	3
62	8
63	6
64	8
65	4
66	9
67	3
68	9
69	5
70	9
71	3
72	9
73	3
74	9
75	5
76	9
77	4
78	10
79	3
80	9
81	6
82	10
83	3
84	10
85	6
86	9
87	4
88	9
89	3
90	10
91	4
92	9
93	5
94	9
95	4
96	9
97	3
98	9
99	6
100	10
101	3
102	10

n	a(n)
1	2
2	3
3	3
4	4
5	3
6	5
7	3
8	5
9	4
10	6
11	3
12	6
13	3
14	6
15	4
16	6
17	3
18	7
19	3
20	7
21	5
22	7
23	3
24	7
25	4
26	7
27	5
28	7
29	3
30	8
31	3
32	7
33	4
34	8
35	4
36	8
37	3
38	8
39	5
40	8
41	3
42	9
43	3
44	8
45	6
46	8
47	3
48	8
49	4
50	9
51	4
52	8
53	3
54	9
55	5
56	8
57	6
58	9
59	3
60	9
61	3
62	8
63	6
64	8
65	4
66	9
67	3
68	9
69	5
70	9
71	3
72	9
73	3
74	9
75	5
76	9
77	4
78	10
79	3
80	9
81	6
82	10
83	3
84	10
85	6
86	9
87	4
88	9
89	3
90	10
91	4
92	9
93	5
94	9
95	4
96	9
97	3
98	9
99	6
100	10
101	3
102	10