A336644 - cp's OEIS frontend

A336644 a(n) = (n-rad(n)) / core(n), where rad(n) and core(n) give the squarefree kernel and squarefree part of n, respectively.

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

[0, 0, 0, 2, 0, 0, 0, 3, 6, 0, 0, 2, 0, 0, 0, 14, 0, 6, 0, 2, 0, 0, 0, 3, 20, 0, 8, 2, 0, 0, 0, 15, 0, 0, 0, 30, 0, 0, 0, 3, 0, 0, 0, 2, 6, 0, 0, 14, 42, 20, 0, 2, 0, 8, 0, 3, 0, 0, 0, 2, 0, 0, 6, 62, 0, 0, 0, 2, 0, 0, 0, 33, 0, 0, 20, 2, 0, 0, 0, 14, 78, 0, 0, 2, 0, 0, 0, 3, 0, 6, 0, 2, 0, 0, 0, 15, 0, 42, 6, 90, 0, 0, 0, 3, 0]

cp's OEIS Frontend

A336644 a(n) = (n-rad(n)) / core(n), where rad(n) and core(n) give the squarefree kernel and squarefree part of n, respectively.

Table of values

List of values

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

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

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