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 | 2 |
| 2 | 3 |
| 3 | 59051 |
| 4 | 161053 |
| 5 | 759377 |
| 6 | 14348909 |
| 7 | 90224201 |
| 8 | 345025253 |
| 9 | 601692059 |
| 10 | 12762815627 |
| 11 | 73439775751 |
| 12 | 183765996901 |
| 13 | 296709280759 |
| 14 | 503756397101 |
| 15 | 576650390627 |
| 16 | 657748550153 |
| 17 | 1572763671877 |
| 18 | 1751989905403 |
| 19 | 1880287678127 |
| 20 | 2389769101501 |
| 21 | 3101364196877 |
| 22 | 3201078401359 |