A110157 - cp's OEIS frontend

A110157 a(n) = a(rad(n) - 1) + 1, where rad(n) is the squarefree kernel of n, rad=A007947.

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

[0, 1, 2, 3, 2, 3, 4, 5, 2, 3, 4, 5, 4, 5, 6, 7, 2, 3, 4, 5, 4, 5, 6, 7, 4, 3, 4, 3, 6, 7, 8, 9, 2, 3, 4, 5, 4, 5, 6, 7, 4, 5, 6, 7, 6, 7, 8, 9, 4, 5, 4, 5, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 5, 2, 3, 4, 5, 4, 5, 6, 7, 4, 5, 6, 7, 6, 7, 8, 9, 4, 3, 4, 5, 6, 7, 8, 9, 6, 7, 8, 9, 8, 9, 10, 11, 4, 5, 6, 3, 4, 5, 6, 7]

cp's OEIS Frontend

A110157 a(n) = a(rad(n) - 1) + 1, where rad(n) is the squarefree kernel of n, rad=A007947.

Table of values

List of values

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

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

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