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 | 341 |
| 2 | 645 |
| 3 | 2465 |
| 4 | 2821 |
| 5 | 4033 |
| 6 | 5461 |
| 7 | 8321 |
| 8 | 15841 |
| 9 | 25761 |
| 10 | 31621 |
| 11 | 68101 |
| 12 | 83333 |
| 13 | 162401 |
| 14 | 219781 |
| 15 | 282133 |
| 16 | 348161 |
| 17 | 530881 |
| 18 | 587861 |
| 19 | 653333 |
| 20 | 710533 |
| 21 | 722261 |
| 22 | 997633 |
| 23 | 1053761 |
| 24 | 1082401 |
| 25 | 1193221 |
| 26 | 1246785 |
| 27 | 1333333 |
| 28 | 1357441 |
| 29 | 1398101 |
| 30 | 1489665 |
| 31 | 1584133 |
| 32 | 1690501 |
| 33 | 1735841 |