A230026 - cp's OEIS frontend

A230026 Primes p such that f(f(p)) is prime, where f(n) = n^2-n-1 = A165900(n).

n	a(n)
1	3
2	13
3	23
4	53
5	59
6	83
7	107
8	167
9	173
10	179
11	211
12	223
13	229
14	257
15	317
16	349
17	367
18	431
19	443
20	487
21	503
22	509
23	541
24	571
25	613
26	617
27	673
28	677
29	683
30	751
31	823
32	1021
33	1031
34	1093
35	1103
36	1109
37	1123
38	1201
39	1231
40	1289
41	1301
42	1319
43	1361
44	1373
45	1427
46	1451

[3, 13, 23, 53, 59, 83, 107, 167, 173, 179, 211, 223, 229, 257, 317, 349, 367, 431, 443, 487, 503, 509, 541, 571, 613, 617, 673, 677, 683, 751, 823, 1021, 1031, 1093, 1103, 1109, 1123, 1201, 1231, 1289, 1301, 1319, 1361, 1373, 1427, 1451]

cp's OEIS Frontend

A230026 Primes p such that f(f(p)) is prime, where f(n) = n^2-n-1 = A165900(n).

Table of values

List of values