A097387 - cp's OEIS frontend

A097387 Let f(x)=(largest digit of x)^(smallest digit of x) + x (A097385). Sequence gives numbers n such that f(n) and f(n+1) are both prime.

n	a(n)
1	60
2	460
3	640
4	820
5	1360
6	1480
7	1620
8	1870
9	2110
10	2380
11	3460
12	3630
13	3880
14	4560
15	4650
16	5640
17	5650
18	5860
19	6210
20	6310
21	6360
22	6420
23	7480
24	8170
25	8680
26	8830
27	11680
28	11830
29	12280
30	12640
31	12820
32	13780
33	14620
34	15460
35	15640
36	15660
37	15880
38	16410
39	16420

[60, 460, 640, 820, 1360, 1480, 1620, 1870, 2110, 2380, 3460, 3630, 3880, 4560, 4650, 5640, 5650, 5860, 6210, 6310, 6360, 6420, 7480, 8170, 8680, 8830, 11680, 11830, 12280, 12640, 12820, 13780, 14620, 15460, 15640, 15660, 15880, 16410, 16420]

cp's OEIS Frontend

A097387 Let f(x)=(largest digit of x)^(smallest digit of x) + x (A097385). Sequence gives numbers n such that f(n) and f(n+1) are both prime.

Table of values

List of values