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.

A220141 Prime numbers p that yield a new record for the least number k such that p*k + 1 and p*k - 1 are twin primes.

Table of values

n a(n)
1 2
2 5
3 11
4 13
5 31
6 37
7 53
8 61
9 433
10 3023
11 3989
12 4079
13 9967
14 10789
15 76943
16 81439
17 121763
18 233969
19 491333
20 495931
21 795659
22 1653901
23 2623969
24 3516277
25 6274823
26 10536689
27 11313839
28 12023191
29 16268899
30 22829309
31 38968109
32 41230733
33 45057577
34 76384717
35 98566373
36 552843883

List of values

[2, 5, 11, 13, 31, 37, 53, 61, 433, 3023, 3989, 4079, 9967, 10789, 76943, 81439, 121763, 233969, 491333, 495931, 795659, 1653901, 2623969, 3516277, 6274823, 10536689, 11313839, 12023191, 16268899, 22829309, 38968109, 41230733, 45057577, 76384717, 98566373, 552843883]