A369958 - cp's OEIS frontend

A369958 Numbers k such that A003415(k)/gcd(k, A003415(k)) >= A276086(k)/gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.

n	a(n)
1	6
2	30
3	33
4	42
5	63
6	210
7	212
8	213
9	214
10	220
11	420
12	429
13	462
14	2310
15	2312
16	2313
17	2314
18	2315
19	2316
20	2317
21	2318
22	2319
23	2320
24	2325
25	2330
26	2340
27	2342
28	2343
29	2344
30	2345
31	2346
32	2355
33	2370
34	2373
35	2379
36	2380
37	2520
38	2522
39	2526
40	2530
41	2535
42	2552
43	2730
44	3003
45	4620
46	4622
47	4623
48	4626
49	4628
50	4630
51	4654
52	4680
53	4830
54	4836
55	4862
56	6930
57	6942
58	7150

[6, 30, 33, 42, 63, 210, 212, 213, 214, 220, 420, 429, 462, 2310, 2312, 2313, 2314, 2315, 2316, 2317, 2318, 2319, 2320, 2325, 2330, 2340, 2342, 2343, 2344, 2345, 2346, 2355, 2370, 2373, 2379, 2380, 2520, 2522, 2526, 2530, 2535, 2552, 2730, 3003, 4620, 4622, 4623, 4626, 4628, 4630, 4654, 4680, 4830, 4836, 4862, 6930, 6942, 7150]

cp's OEIS Frontend

A369958 Numbers k such that A003415(k)/gcd(k, A003415(k)) >= A276086(k)/gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.

Table of values

List of values