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 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 15 |
| 5 | 19 |
| 6 | 34 |
| 7 | 37 |
| 8 | 88 |
| 9 | 141 |
| 10 | 216 |
| 11 | 239 |
| 12 | 246 |
| 13 | 288 |
| 14 | 365 |
| 15 | 429 |
| 16 | 762 |
| 17 | 1879 |
| 18 | 2309 |
| 19 | 9555 |
| 20 | 19843 |
| 21 | 28348 |
| 22 | 45058 |
| 23 | 62879 |
| 24 | 86963 |
| 25 | 90669 |
| 26 | 148020 |
| 27 | 148601 |
| 28 | 199003 |
| 29 | 289877 |