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 | 5 |
| 2 | 11 |
| 3 | 29 |
| 4 | 97 |
| 5 | 641 |
| 6 | 1373 |
| 7 | 2591 |
| 8 | 4327 |
| 9 | 8009 |
| 10 | 19661 |
| 11 | 36451 |
| 12 | 134581 |
| 13 | 38543 |
| 14 | 172969 |
| 15 | 212777 |
| 16 | 268403 |
| 17 | 1784171 |
| 18 | 860239 |
| 19 | 1562053 |
| 20 | 6085103 |
| 21 | 6958813 |
| 22 | 3422971 |
| 23 | 5103029 |
| 24 | 14723567 |
| 25 | 47973451 |
| 26 | 38394329 |
| 27 | 36271783 |
| 28 | 75837497 |
| 29 | 59160181 |
| 30 | 47326919 |
| 31 | 111660697 |
| 32 | 369706811 |
| 33 | 323627951 |