A319684 - cp's OEIS frontend

A319684 Sum of A003415(d) over the divisors d of n, where A003415 is arithmetic derivative.

n	a(n)
1	0
2	1
3	1
4	5
5	1
6	7
7	1
8	17
9	7
10	9
11	1
12	27
13	1
14	11
15	10
16	49
17	1
18	34
19	1
20	37
21	12
22	15
23	1
24	83
25	11
26	17
27	34
28	47
29	1
30	54
31	1
32	129
33	16
34	21
35	14
36	114
37	1
38	23
39	18
40	117
41	1
42	68
43	1
44	67
45	55
46	27
47	1
48	227
49	15
50	64
51	22
52	77
53	1
54	142
55	18
56	151
57	24
58	33
59	1
60	190
61	1
62	35
63	69
64	321
65	20
66	96
67	1
68	97
69	28
70	90
71	1
72	326
73	1
74	41
75	75
76	107
77	20
78	110
79	1
80	325
81	142
82	45
83	1
84	244
85	24
86	47
87	34
88	219
89	1
90	243
91	22

[0, 1, 1, 5, 1, 7, 1, 17, 7, 9, 1, 27, 1, 11, 10, 49, 1, 34, 1, 37, 12, 15, 1, 83, 11, 17, 34, 47, 1, 54, 1, 129, 16, 21, 14, 114, 1, 23, 18, 117, 1, 68, 1, 67, 55, 27, 1, 227, 15, 64, 22, 77, 1, 142, 18, 151, 24, 33, 1, 190, 1, 35, 69, 321, 20, 96, 1, 97, 28, 90, 1, 326, 1, 41, 75, 107, 20, 110, 1, 325, 142, 45, 1, 244, 24, 47, 34, 219, 1, 243, 22]

cp's OEIS Frontend

A319684 Sum of A003415(d) over the divisors d of n, where A003415 is arithmetic derivative.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	5
5	1
6	7
7	1
8	17
9	7
10	9
11	1
12	27
13	1
14	11
15	10
16	49
17	1
18	34
19	1
20	37
21	12
22	15
23	1
24	83
25	11
26	17
27	34
28	47
29	1
30	54
31	1
32	129
33	16
34	21
35	14
36	114
37	1
38	23
39	18
40	117
41	1
42	68
43	1
44	67
45	55
46	27
47	1
48	227
49	15
50	64
51	22
52	77
53	1
54	142
55	18
56	151
57	24
58	33
59	1
60	190
61	1
62	35
63	69
64	321
65	20
66	96
67	1
68	97
69	28
70	90
71	1
72	326
73	1
74	41
75	75
76	107
77	20
78	110
79	1
80	325
81	142
82	45
83	1
84	244
85	24
86	47
87	34
88	219
89	1
90	243
91	22

n	a(n)
1	0
2	1
3	1
4	5
5	1
6	7
7	1
8	17
9	7
10	9
11	1
12	27
13	1
14	11
15	10
16	49
17	1
18	34
19	1
20	37
21	12
22	15
23	1
24	83
25	11
26	17
27	34
28	47
29	1
30	54
31	1
32	129
33	16
34	21
35	14
36	114
37	1
38	23
39	18
40	117
41	1
42	68
43	1
44	67
45	55
46	27
47	1
48	227
49	15
50	64
51	22
52	77
53	1
54	142
55	18
56	151
57	24
58	33
59	1
60	190
61	1
62	35
63	69
64	321
65	20
66	96
67	1
68	97
69	28
70	90
71	1
72	326
73	1
74	41
75	75
76	107
77	20
78	110
79	1
80	325
81	142
82	45
83	1
84	244
85	24
86	47
87	34
88	219
89	1
90	243
91	22

n	a(n)
1	0
2	1
3	1
4	5
5	1
6	7
7	1
8	17
9	7
10	9
11	1
12	27
13	1
14	11
15	10
16	49
17	1
18	34
19	1
20	37
21	12
22	15
23	1
24	83
25	11
26	17
27	34
28	47
29	1
30	54
31	1
32	129
33	16
34	21
35	14
36	114
37	1
38	23
39	18
40	117
41	1
42	68
43	1
44	67
45	55
46	27
47	1
48	227
49	15
50	64
51	22
52	77
53	1
54	142
55	18
56	151
57	24
58	33
59	1
60	190
61	1
62	35
63	69
64	321
65	20
66	96
67	1
68	97
69	28
70	90
71	1
72	326
73	1
74	41
75	75
76	107
77	20
78	110
79	1
80	325
81	142
82	45
83	1
84	244
85	24
86	47
87	34
88	219
89	1
90	243
91	22