A229270 - cp's OEIS frontend

A229270 Numbers k for which k' - k is prime, k' being the arithmetic derivative of k.

n	a(n)
1	18
2	210
3	315
4	330
5	390
6	462
7	510
8	546
9	690
10	726
11	798
12	870
13	930
14	966
15	1110
16	1218
17	1230
18	1290
19	1302
20	1554
21	1590
22	1770
23	2010
24	2130
25	2190
26	2310
27	2370
28	2490
29	2730
30	2910
31	3030
32	3210
33	3270
34	3570
35	3810
36	4110
37	4290
38	4470
39	4530
40	4830
41	4890
42	5010
43	5430
44	5790
45	5910
46	5970

[18, 210, 315, 330, 390, 462, 510, 546, 690, 726, 798, 870, 930, 966, 1110, 1218, 1230, 1290, 1302, 1554, 1590, 1770, 2010, 2130, 2190, 2310, 2370, 2490, 2730, 2910, 3030, 3210, 3270, 3570, 3810, 4110, 4290, 4470, 4530, 4830, 4890, 5010, 5430, 5790, 5910, 5970]

cp's OEIS Frontend

A229270 Numbers k for which k' - k is prime, k' being the arithmetic derivative of k.

Table of values

List of values