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.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 1628779 |
| 3 | 2481113 |
| 4 | 3260683 |
| 5 | 3520229 |
| 6 | 9733123 |
| 7 | 10671253 |
| 8 | 10673129 |
| 9 | 11772809 |
| 10 | 36758303 |
| 11 | 45459353 |
| 12 | 45594019 |
| 13 | 58552279 |
| 14 | 64597903 |
| 15 | 66539353 |
| 16 | 74674559 |
| 17 | 83471243 |
| 18 | 96765313 |
| 19 | 115623929 |
| 20 | 117479039 |
| 21 | 131701183 |
| 22 | 133500553 |
| 23 | 145010533 |
| 24 | 163341319 |
| 25 | 163845719 |
| 26 | 166410353 |
| 27 | 167197243 |
| 28 | 169948223 |