A326128 - cp's OEIS frontend

A326128 a(n) = n - A007913(n), where A007913 gives the squarefree part of n.

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

[0, 0, 0, 3, 0, 0, 0, 6, 8, 0, 0, 9, 0, 0, 0, 15, 0, 16, 0, 15, 0, 0, 0, 18, 24, 0, 24, 21, 0, 0, 0, 30, 0, 0, 0, 35, 0, 0, 0, 30, 0, 0, 0, 33, 40, 0, 0, 45, 48, 48, 0, 39, 0, 48, 0, 42, 0, 0, 0, 45, 0, 0, 56, 63, 0, 0, 0, 51, 0, 0, 0, 70, 0, 0, 72, 57, 0, 0, 0, 75, 80, 0, 0, 63, 0, 0, 0, 66, 0, 80, 0, 69, 0, 0, 0, 90, 0, 96, 88, 99, 0, 0, 0, 78, 0]

cp's OEIS Frontend

A326128 a(n) = n - A007913(n), where A007913 gives the squarefree part of n.

Table of values

List of values

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

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

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