A190121 - cp's OEIS frontend

A190121 Partial sums of the arithmetic derivative function A003415.

n	a(n)
1	0
2	1
3	2
4	6
5	7
6	12
7	13
8	25
9	31
10	38
11	39
12	55
13	56
14	65
15	73
16	105
17	106
18	127
19	128
20	152
21	162
22	175
23	176
24	220
25	230
26	245
27	272
28	304
29	305
30	336
31	337
32	417
33	431
34	450
35	462
36	522
37	523
38	544
39	560
40	628
41	629
42	670
43	671
44	719
45	758
46	783
47	784
48	896
49	910
50	955
51	975
52	1031
53	1032
54	1113
55	1129

[0, 1, 2, 6, 7, 12, 13, 25, 31, 38, 39, 55, 56, 65, 73, 105, 106, 127, 128, 152, 162, 175, 176, 220, 230, 245, 272, 304, 305, 336, 337, 417, 431, 450, 462, 522, 523, 544, 560, 628, 629, 670, 671, 719, 758, 783, 784, 896, 910, 955, 975, 1031, 1032, 1113, 1129]

cp's OEIS Frontend

A190121 Partial sums of the arithmetic derivative function A003415.

Table of values

List of values