A257107 - cp's OEIS frontend

A257107 Composite numbers n such that n'=(n+12)', where n' is the arithmetic derivative of n.

n	a(n)
1	16
2	65
3	88
4	209
5	11009
6	38009
7	680609
8	2205209
9	2860198
10	3515609
11	4347209
12	5365387
13	5809361
14	10595009
15	12006209
16	31979009
17	83255059
18	89019209
19	152915402
20	169130009
21	172147423
22	225869899
23	244766009
24	247590209
25	258084209
26	325622009
27	357777209
28	377330609

[16, 65, 88, 209, 11009, 38009, 680609, 2205209, 2860198, 3515609, 4347209, 5365387, 5809361, 10595009, 12006209, 31979009, 83255059, 89019209, 152915402, 169130009, 172147423, 225869899, 244766009, 247590209, 258084209, 325622009, 357777209, 377330609]

cp's OEIS Frontend

A257107 Composite numbers n such that n'=(n+12)', where n' is the arithmetic derivative of n.

Table of values

List of values