A117477 - cp's OEIS frontend

A117477 Primes whose SOD and that of their indices are both prime and equal (indices may not be prime, but their SOD must be prime).

n	a(n)
1	131
2	263
3	1039
4	1091
5	1301
6	1361
7	1433
8	2221
9	2441
10	2591
11	2663
12	2719
13	2803
14	3433
15	3631
16	4153
17	4357
18	4397
19	5507
20	5701
21	5741
22	5927
23	6311
24	6353
25	6553
26	6737
27	6827
28	6971
29	7013
30	7213
31	7411
32	7523
33	7741
34	8821
35	9103
36	11173
37	11353
38	11731
39	11821
40	12277
41	12347

[131, 263, 1039, 1091, 1301, 1361, 1433, 2221, 2441, 2591, 2663, 2719, 2803, 3433, 3631, 4153, 4357, 4397, 5507, 5701, 5741, 5927, 6311, 6353, 6553, 6737, 6827, 6971, 7013, 7213, 7411, 7523, 7741, 8821, 9103, 11173, 11353, 11731, 11821, 12277, 12347]

cp's OEIS Frontend

A117477 Primes whose SOD and that of their indices are both prime and equal (indices may not be prime, but their SOD must be prime).

Table of values

List of values