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 | 284 |
| 2 | 1388 |
| 3 | 2139 |
| 4 | 4772 |
| 5 | 8556 |
| 6 | 8971 |
| 7 | 10836 |
| 8 | 21163 |
| 9 | 28847 |
| 10 | 45707 |
| 11 | 54507 |
| 12 | 71292 |
| 13 | 73348 |
| 14 | 95127 |
| 15 | 101503 |
| 16 | 104228 |
| 17 | 131388 |
| 18 | 136148 |
| 19 | 263172 |
| 20 | 350076 |
| 21 | 638164 |
| 22 | 982292 |
| 23 | 1532148 |
| 24 | 1687828 |
| 25 | 1705407 |
| 26 | 1958924 |
| 27 | 2082188 |
| 28 | 2299364 |
| 29 | 2360347 |
| 30 | 2728379 |
| 31 | 3202356 |
| 32 | 4042799 |
| 33 | 5046771 |
| 34 | 5165332 |
| 35 | 5235323 |
| 36 | 5560627 |
| 37 | 7191079 |
| 38 | 7740547 |
| 39 | 8041364 |