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 | 64 |
| 2 | 707 |
| 3 | 3471 |
| 4 | 12311 |
| 5 | 36028 |
| 6 | 92734 |
| 7 | 217144 |
| 8 | 471994 |
| 9 | 965172 |
| 10 | 1874532 |
| 11 | 3482781 |
| 12 | 6225291 |
| 13 | 10754192 |
| 14 | 18022648 |
| 15 | 29393806 |
| 16 | 46779538 |
| 17 | 72814768 |
| 18 | 111073890 |
| 19 | 166336539 |
| 20 | 244910775 |
| 21 | 355022580 |
| 22 | 507281450 |
| 23 | 715232788 |
| 24 | 996008770 |
| 25 | 1371090364 |