A250030 - cp's OEIS frontend

A250030 a(n) is the number of iterations of A008474 needed to reach 5, starting at n, where A008474(Product p_i^e_i) = Sum(p_i+e_i).

n	a(n)
5	0
6	3
7	2
8	1
9	1
10	2
11	3
12	2
13	5
14	4
15	3
16	4
17	3
18	2
19	4
20	3
21	3
22	4
23	3
24	2
25	3
26	4
27	4
28	3
29	7
30	6
31	4
32	3
33	5
34	4
35	5
36	2
37	5
38	4
39	3
40	4
41	5
42	4
43	6
44	5
45	4
46	5
47	4
48	3
49	2
50	3
51	5
52	3
53	3
54	2
55	3
56	6
57	3
58	6
59	6
60	5
61	7
62	6
63	6
64	2
65	4
66	5
67	6
68	5
69	4
70	4
71	4
72	3
73	7
74	6
75	4
76	3
77	4
78	4
79	4
80	3
81	3
82	5
83	6
84	5
85	3
86	5
87	5
88	4
89	6
90	5
91	5
92	4
93	3
94	6
95	5
96	4
97	4
98	3
99	4
100	4
101	5
102	4
103	6
104	5
105	3
106	4
107	4
108	3
109	5
110	4
111	5
112	5
113	6
114	5
115	7
116	5
117	5

[0, 3, 2, 1, 1, 2, 3, 2, 5, 4, 3, 4, 3, 2, 4, 3, 3, 4, 3, 2, 3, 4, 4, 3, 7, 6, 4, 3, 5, 4, 5, 2, 5, 4, 3, 4, 5, 4, 6, 5, 4, 5, 4, 3, 2, 3, 5, 3, 3, 2, 3, 6, 3, 6, 6, 5, 7, 6, 6, 2, 4, 5, 6, 5, 4, 4, 4, 3, 7, 6, 4, 3, 4, 4, 4, 3, 3, 5, 6, 5, 3, 5, 5, 4, 6, 5, 5, 4, 3, 6, 5, 4, 4, 3, 4, 4, 5, 4, 6, 5, 3, 4, 4, 3, 5, 4, 5, 5, 6, 5, 7, 5, 5]

cp's OEIS Frontend

A250030 a(n) is the number of iterations of A008474 needed to reach 5, starting at n, where A008474(Product p_i^e_i) = Sum(p_i+e_i).

Table of values

List of values

n	a(n)
5	0
6	3
7	2
8	1
9	1
10	2
11	3
12	2
13	5
14	4
15	3
16	4
17	3
18	2
19	4
20	3
21	3
22	4
23	3
24	2
25	3
26	4
27	4
28	3
29	7
30	6
31	4
32	3
33	5
34	4
35	5
36	2
37	5
38	4
39	3
40	4
41	5
42	4
43	6
44	5
45	4
46	5
47	4
48	3
49	2
50	3
51	5
52	3
53	3
54	2
55	3
56	6
57	3
58	6
59	6
60	5
61	7
62	6
63	6
64	2
65	4
66	5
67	6
68	5
69	4
70	4
71	4
72	3
73	7
74	6
75	4
76	3
77	4
78	4
79	4
80	3
81	3
82	5
83	6
84	5
85	3
86	5
87	5
88	4
89	6
90	5
91	5
92	4
93	3
94	6
95	5
96	4
97	4
98	3
99	4
100	4
101	5
102	4
103	6
104	5
105	3
106	4
107	4
108	3
109	5
110	4
111	5
112	5
113	6
114	5
115	7
116	5
117	5

n	a(n)
5	0
6	3
7	2
8	1
9	1
10	2
11	3
12	2
13	5
14	4
15	3
16	4
17	3
18	2
19	4
20	3
21	3
22	4
23	3
24	2
25	3
26	4
27	4
28	3
29	7
30	6
31	4
32	3
33	5
34	4
35	5
36	2
37	5
38	4
39	3
40	4
41	5
42	4
43	6
44	5
45	4
46	5
47	4
48	3
49	2
50	3
51	5
52	3
53	3
54	2
55	3
56	6
57	3
58	6
59	6
60	5
61	7
62	6
63	6
64	2
65	4
66	5
67	6
68	5
69	4
70	4
71	4
72	3
73	7
74	6
75	4
76	3
77	4
78	4
79	4
80	3
81	3
82	5
83	6
84	5
85	3
86	5
87	5
88	4
89	6
90	5
91	5
92	4
93	3
94	6
95	5
96	4
97	4
98	3
99	4
100	4
101	5
102	4
103	6
104	5
105	3
106	4
107	4
108	3
109	5
110	4
111	5
112	5
113	6
114	5
115	7
116	5
117	5

n	a(n)
5	0
6	3
7	2
8	1
9	1
10	2
11	3
12	2
13	5
14	4
15	3
16	4
17	3
18	2
19	4
20	3
21	3
22	4
23	3
24	2
25	3
26	4
27	4
28	3
29	7
30	6
31	4
32	3
33	5
34	4
35	5
36	2
37	5
38	4
39	3
40	4
41	5
42	4
43	6
44	5
45	4
46	5
47	4
48	3
49	2
50	3
51	5
52	3
53	3
54	2
55	3
56	6
57	3
58	6
59	6
60	5
61	7
62	6
63	6
64	2
65	4
66	5
67	6
68	5
69	4
70	4
71	4
72	3
73	7
74	6
75	4
76	3
77	4
78	4
79	4
80	3
81	3
82	5
83	6
84	5
85	3
86	5
87	5
88	4
89	6
90	5
91	5
92	4
93	3
94	6
95	5
96	4
97	4
98	3
99	4
100	4
101	5
102	4
103	6
104	5
105	3
106	4
107	4
108	3
109	5
110	4
111	5
112	5
113	6
114	5
115	7
116	5
117	5