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 | 3 |
| 2 | 7 |
| 3 | 17 |
| 4 | 29 |
| 5 | 71 |
| 6 | 83 |
| 7 | 281 |
| 8 | 719 |
| 9 | 983 |
| 10 | 997 |
| 11 | 1637 |
| 12 | 2309 |
| 13 | 3701 |
| 14 | 4493 |
| 15 | 5507 |
| 16 | 6299 |
| 17 | 7691 |
| 18 | 8363 |
| 19 | 9161 |
| 20 | 9803 |
| 21 | 11003 |
| 22 | 13163 |
| 23 | 17117 |
| 24 | 18371 |
| 25 | 20807 |
| 26 | 31181 |
| 27 | 31793 |
| 28 | 32693 |
| 29 | 32843 |
| 30 | 33617 |
| 31 | 33893 |
| 32 | 34211 |
| 33 | 34673 |
| 34 | 37277 |
| 35 | 38453 |
| 36 | 49409 |
| 37 | 50591 |
| 38 | 61547 |
| 39 | 62723 |
| 40 | 65327 |