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 | 12 |
| 2 | 282 |
| 3 | 642 |
| 4 | 1452 |
| 5 | 12162 |
| 6 | 17292 |
| 7 | 34842 |
| 8 | 98562 |
| 9 | 194682 |
| 10 | 233922 |
| 11 | 347772 |
| 12 | 383682 |
| 13 | 410412 |
| 14 | 544962 |
| 15 | 749082 |
| 16 | 1071642 |
| 17 | 1302492 |
| 18 | 1421292 |
| 19 | 1503372 |
| 20 | 1685442 |
| 21 | 2794242 |
| 22 | 3011052 |
| 23 | 3235962 |
| 24 | 3312732 |
| 25 | 3792252 |
| 26 | 3875322 |
| 27 | 4755522 |