cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A238447 Primes p such that f(p) and f(f(p)) are both prime, where f(x) = x^2-x-1.

Table of values

n a(n)
1 3
2 487
3 617
4 677
5 751
6 1201
7 1289
8 1579
9 1747
10 2027
11 2267
12 2269
13 2309
14 3259
15 3947
16 4457
17 4567
18 4621
19 4637
20 4799
21 4951
22 5701
23 6029
24 6991
25 7151
26 7687
27 7867
28 9187
29 9209
30 9341
31 9587
32 9829
33 11321
34 12301
35 12541
36 12781
37 13177
38 13649
39 15919
40 16349

List of values

[3, 487, 617, 677, 751, 1201, 1289, 1579, 1747, 2027, 2267, 2269, 2309, 3259, 3947, 4457, 4567, 4621, 4637, 4799, 4951, 5701, 6029, 6991, 7151, 7687, 7867, 9187, 9209, 9341, 9587, 9829, 11321, 12301, 12541, 12781, 13177, 13649, 15919, 16349]