A304455 - cp's OEIS frontend

A304455 Number of steps in the reduction to a multiset of size 1 of the multiset of prime factors of n, obtained by repeatedly taking the multiset of multiplicities.

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

[0, 0, 0, 1, 0, 2, 0, 1, 1, 2, 0, 3, 0, 2, 2, 1, 0, 3, 0, 3, 2, 2, 0, 3, 1, 2, 1, 3, 0, 2, 0, 1, 2, 2, 2, 2, 0, 2, 2, 3, 0, 2, 0, 3, 3, 2, 0, 3, 1, 3, 2, 3, 0, 3, 2, 3, 2, 2, 0, 4, 0, 2, 3, 1, 2, 2, 0, 3, 2, 2, 0, 3, 0, 2, 3, 3, 2, 2, 0, 3, 1, 2, 0, 4, 2, 2, 2, 3, 0, 4, 2, 3, 2, 2, 2, 3, 0, 3, 3, 2, 0, 2, 0, 3, 2]

cp's OEIS Frontend

A304455 Number of steps in the reduction to a multiset of size 1 of the multiset of prime factors of n, obtained by repeatedly taking the multiset of multiplicities.

Table of values

List of values

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

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

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