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 | 39 |
| 2 | 291 |
| 3 | 2158 |
| 4 | 10083 |
| 5 | 22178 |
| 6 | 60483 |
| 7 | 108291 |
| 8 | 129382 |
| 9 | 235138 |
| 10 | 266403 |
| 11 | 288291 |
| 12 | 311043 |
| 13 | 367491 |
| 14 | 410691 |
| 15 | 524163 |
| 16 | 561478 |
| 17 | 608158 |
| 18 | 662691 |
| 19 | 1563843 |
| 20 | 1713717 |
| 21 | 2007363 |
| 22 | 3126058 |
| 23 | 3512163 |
| 24 | 3573778 |