A373490 - cp's OEIS frontend

A373490 Numbers k for which A003415(k) is a multiple of A276085(k), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

n	a(n)
1	1
2	2
3	4
4	8
5	10
6	12
7	15
8	16
9	20
10	28
11	32
12	36
13	64
14	100
15	108
16	128
17	144
18	162
19	180
20	189
21	192
22	216
23	225
24	256
25	400
26	480
27	500
28	512
29	686
30	784
31	972
32	1000
33	1024
34	1250
35	1280
36	1296
37	1350
38	1728
39	1890
40	2048
41	2160
42	2304
43	2700
44	2835
45	2880
46	3375
47	3500
48	3600
49	3840
50	4032
51	4096
52	4500
53	4800
54	4860
55	5005
56	5096
57	5120
58	6300
59	6400
60	6480
61	6750

[1, 2, 4, 8, 10, 12, 15, 16, 20, 28, 32, 36, 64, 100, 108, 128, 144, 162, 180, 189, 192, 216, 225, 256, 400, 480, 500, 512, 686, 784, 972, 1000, 1024, 1250, 1280, 1296, 1350, 1728, 1890, 2048, 2160, 2304, 2700, 2835, 2880, 3375, 3500, 3600, 3840, 4032, 4096, 4500, 4800, 4860, 5005, 5096, 5120, 6300, 6400, 6480, 6750]

cp's OEIS Frontend

A373490 Numbers k for which A003415(k) is a multiple of A276085(k), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

Table of values

List of values