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 | 148 |
| 3 | 16570 |
| 4 | 32614 |
| 5 | 66109 |
| 6 | 102250 |
| 7 | 106870 |
| 8 | 124636 |
| 9 | 146140 |
| 10 | 191773 |
| 11 | 305887 |
| 12 | 415591 |
| 13 | 421828 |
| 14 | 552700 |
| 15 | 834415 |
| 16 | 1013440 |
| 17 | 1176505 |
| 18 | 1190050 |
| 19 | 1306432 |
| 20 | 1572082 |
| 21 | 1576009 |
| 22 | 1850437 |
| 23 | 1873684 |
| 24 | 1912954 |
| 25 | 1921144 |
| 26 | 2004997 |
| 27 | 2103613 |
| 28 | 2376340 |