A342477 - cp's OEIS frontend

A342477 The squarefree part of the powerful numbers: a(n) = A007913(A001694(n)).

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

[1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 3, 1, 5, 2, 1, 1, 1, 2, 6, 1, 3, 1, 2, 1, 1, 7, 1, 2, 1, 3, 1, 1, 5, 2, 1, 1, 1, 2, 3, 1, 1, 1, 2, 1, 6, 1, 1, 2, 3, 10, 1, 1, 5, 2, 1, 1, 1, 3, 11, 2, 1, 7, 1, 1, 2, 1, 1, 3, 1, 2, 1, 1, 6, 5, 1, 2, 1, 3, 13, 1, 1, 2]

cp's OEIS Frontend

A342477 The squarefree part of the powerful numbers: a(n) = A007913(A001694(n)).

Table of values

List of values

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

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

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