A319683 - cp's OEIS frontend

A319683 Sum of A003415(d) over the proper divisors d of n, where A003415 is arithmetic derivative.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	0
8	5
9	1
10	2
11	0
12	11
13	0
14	2
15	2
16	17
17	0
18	13
19	0
20	13
21	2
22	2
23	0
24	39
25	1
26	2
27	7
28	15
29	0
30	23
31	0
32	49
33	2
34	2
35	2
36	54
37	0
38	2
39	2
40	49
41	0
42	27
43	0
44	19
45	16
46	2
47	0
48	115
49	1
50	19
51	2
52	21
53	0
54	61
55	2
56	59
57	2
58	2
59	0
60	98
61	0
62	2
63	18
64	129
65	2
66	35
67	0
68	25
69	2
70	31
71	0
72	170
73	0
74	2
75	20
76	27
77	2
78	39
79	0
80	149
81	34
82	2
83	0
84	120
85	2
86	2
87	2
88	79
89	0
90	120
91	2
92	31
93	2
94	2
95	2
96	307
97	0
98	25
99	22
100	92
101	0

[0, 0, 0, 1, 0, 2, 0, 5, 1, 2, 0, 11, 0, 2, 2, 17, 0, 13, 0, 13, 2, 2, 0, 39, 1, 2, 7, 15, 0, 23, 0, 49, 2, 2, 2, 54, 0, 2, 2, 49, 0, 27, 0, 19, 16, 2, 0, 115, 1, 19, 2, 21, 0, 61, 2, 59, 2, 2, 0, 98, 0, 2, 18, 129, 2, 35, 0, 25, 2, 31, 0, 170, 0, 2, 20, 27, 2, 39, 0, 149, 34, 2, 0, 120, 2, 2, 2, 79, 0, 120, 2, 31, 2, 2, 2, 307, 0, 25, 22, 92, 0]

cp's OEIS Frontend

A319683 Sum of A003415(d) over the proper divisors d of n, where A003415 is arithmetic derivative.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	0
8	5
9	1
10	2
11	0
12	11
13	0
14	2
15	2
16	17
17	0
18	13
19	0
20	13
21	2
22	2
23	0
24	39
25	1
26	2
27	7
28	15
29	0
30	23
31	0
32	49
33	2
34	2
35	2
36	54
37	0
38	2
39	2
40	49
41	0
42	27
43	0
44	19
45	16
46	2
47	0
48	115
49	1
50	19
51	2
52	21
53	0
54	61
55	2
56	59
57	2
58	2
59	0
60	98
61	0
62	2
63	18
64	129
65	2
66	35
67	0
68	25
69	2
70	31
71	0
72	170
73	0
74	2
75	20
76	27
77	2
78	39
79	0
80	149
81	34
82	2
83	0
84	120
85	2
86	2
87	2
88	79
89	0
90	120
91	2
92	31
93	2
94	2
95	2
96	307
97	0
98	25
99	22
100	92
101	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	0
8	5
9	1
10	2
11	0
12	11
13	0
14	2
15	2
16	17
17	0
18	13
19	0
20	13
21	2
22	2
23	0
24	39
25	1
26	2
27	7
28	15
29	0
30	23
31	0
32	49
33	2
34	2
35	2
36	54
37	0
38	2
39	2
40	49
41	0
42	27
43	0
44	19
45	16
46	2
47	0
48	115
49	1
50	19
51	2
52	21
53	0
54	61
55	2
56	59
57	2
58	2
59	0
60	98
61	0
62	2
63	18
64	129
65	2
66	35
67	0
68	25
69	2
70	31
71	0
72	170
73	0
74	2
75	20
76	27
77	2
78	39
79	0
80	149
81	34
82	2
83	0
84	120
85	2
86	2
87	2
88	79
89	0
90	120
91	2
92	31
93	2
94	2
95	2
96	307
97	0
98	25
99	22
100	92
101	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	2
7	0
8	5
9	1
10	2
11	0
12	11
13	0
14	2
15	2
16	17
17	0
18	13
19	0
20	13
21	2
22	2
23	0
24	39
25	1
26	2
27	7
28	15
29	0
30	23
31	0
32	49
33	2
34	2
35	2
36	54
37	0
38	2
39	2
40	49
41	0
42	27
43	0
44	19
45	16
46	2
47	0
48	115
49	1
50	19
51	2
52	21
53	0
54	61
55	2
56	59
57	2
58	2
59	0
60	98
61	0
62	2
63	18
64	129
65	2
66	35
67	0
68	25
69	2
70	31
71	0
72	170
73	0
74	2
75	20
76	27
77	2
78	39
79	0
80	149
81	34
82	2
83	0
84	120
85	2
86	2
87	2
88	79
89	0
90	120
91	2
92	31
93	2
94	2
95	2
96	307
97	0
98	25
99	22
100	92
101	0