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) |
|---|---|
| 5 | 3515 |
| 6 | 9577 |
| 7 | 47892 |
| 8 | 93345 |
| 9 | 293722 |
| 10 | 1180205 |
| 11 | 1760920 |
| 12 | 5090727 |
| 13 | 9424810 |
| 14 | 12542387 |
| 15 | 21387332 |
| 16 | 43976907 |
| 17 | 83691535 |
| 18 | 102222965 |
| 19 | 179480917 |
| 20 | 254167230 |
| 21 | 300266322 |
| 22 | 482316380 |
| 23 | 648691217 |
| 24 | 986073990 |
| 25 | 1652722232 |
| 26 | 2106190775 |
| 27 | 2369151382 |
| 28 | 2977639587 |
| 29 | 3327579585 |
| 30 | 4130856652 |