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 | 3249 |
| 2 | 33223 |
| 3 | 330509 |
| 4 | 2198077 |
| 5 | 15164049 |
| 6 | 76619720 |
| 7 | 397550036 |
| 8 | 1650280817 |
| 9 | 6940548943 |
| 10 | 24803795897 |
| 11 | 89015368856 |
| 12 | 282588248006 |
| 13 | 896447738887 |
| 14 | 2585717912290 |
| 15 | 7434968846247 |
| 16 | 19820964099968 |
| 17 | 52629753599694 |