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.
and p+2<3*A077800(2n) where A077800 is list of twin primes {p,p+2}.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 18 |
5 | 60 |
6 | 82 |
7 | 149 |
8 | 228 |
9 | 229 |
10 | 268 |
11 | 325 |
12 | 340 |
13 | 372 |
14 | 479 |
15 | 508 |
16 | 510 |
17 | 515 |
18 | 518 |
19 | 619 |
20 | 622 |
21 | 710 |
22 | 743 |
23 | 790 |
24 | 892 |
25 | 910 |
26 | 955 |
27 | 998 |
28 | 1020 |
29 | 1158 |
30 | 1184 |
31 | 1215 |
32 | 1266 |
33 | 1310 |
34 | 1363 |
35 | 1431 |
36 | 1478 |
37 | 1567 |
38 | 1885 |
39 | 1921 |
40 | 1979 |
41 | 2066 |
42 | 2316 |
43 | 2476 |
44 | 2541 |
45 | 2688 |
46 | 2704 |
47 | 2781 |
48 | 2798 |
49 | 2809 |