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 | 4 |
| 3 | 12 |
| 4 | 19 |
| 5 | 59 |
| 6 | 167 |
| 7 | 196 |
| 8 | 197 |
| 9 | 227 |
| 10 | 317 |
| 11 | 457 |
| 12 | 521 |
| 13 | 706 |
| 14 | 1532 |
| 15 | 1861 |
| 16 | 1997 |
| 17 | 2053 |
| 18 | 2348 |
| 19 | 3833 |
| 20 | 5227 |
| 21 | 19891 |
| 22 | 47303 |
| 23 | 54973 |
| 24 | 58603 |
| 25 | 101401 |
| 26 | 102307 |
| 27 | 138163 |
| 28 | 170167 |
| 29 | 707467 |
| 30 | 860831 |