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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 5 |
| 7 | 16 |
| 8 | 21 |
| 9 | 48 |
| 10 | 69 |
| 11 | 175 |
| 12 | 229 |
| 13 | 529 |
| 14 | 768 |
| 15 | 1850 |
| 16 | 2860 |
| 17 | 6276 |
| 18 | 10252 |
| 19 | 23248 |
| 20 | 36563 |
| 21 | 81622 |
| 22 | 133739 |
| 23 | 300311 |
| 24 | 491193 |
| 25 | 1091809 |
| 26 | 1816561 |
| 27 | 4062176 |
| 28 | 6772098 |
| 29 | 15021634 |
| 30 | 25284670 |
| 31 | 56134342 |
| 32 | 94895078 |
| 33 | 209889612 |