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 | 3 |
| 3 | 12 |
| 4 | 27 |
| 5 | 48 |
| 6 | 72 |
| 7 | 79 |
| 8 | 363 |
| 9 | 600 |
| 10 | 1277 |
| 11 | 1289 |
| 12 | 1815 |
| 13 | 15272 |
| 14 | 18492 |
| 15 | 38484 |
| 16 | 83556 |
| 17 | 87312 |
| 18 | 148336 |
| 19 | 205731 |
| 20 | 222176 |
| 21 | 420900 |
| 22 | 549876 |
| 23 | 607797 |
| 24 | 624648 |
| 25 | 716064 |
| 26 | 5651851 |