A379967 - cp's OEIS frontend

A379967 Arithmetic derivative of {n divided by its largest squarefree divisor}: a(n) = A003415(A003557(n)).

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

[0, 0, 0, 1, 0, 0, 0, 4, 1, 0, 0, 1, 0, 0, 0, 12, 0, 1, 0, 1, 0, 0, 0, 4, 1, 0, 6, 1, 0, 0, 0, 32, 0, 0, 0, 5, 0, 0, 0, 4, 0, 0, 0, 1, 1, 0, 0, 12, 1, 1, 0, 1, 0, 6, 0, 4, 0, 0, 0, 1, 0, 0, 1, 80, 0, 0, 0, 1, 0, 0, 0, 16, 0, 0, 1, 1, 0, 0, 0, 12, 27, 0, 0, 1, 0, 0, 0, 4, 0, 1, 0, 1, 0, 0, 0, 32, 0, 1, 1, 7, 0, 0, 0, 4]

cp's OEIS Frontend

A379967 Arithmetic derivative of {n divided by its largest squarefree divisor}: a(n) = A003415(A003557(n)).

Table of values

List of values

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

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

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