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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 8 |
| 8 | 12 |
| 9 | 15 |
| 10 | 27 |
| 11 | 30 |
| 12 | 40 |
| 13 | 44 |
| 14 | 57 |
| 15 | 117 |
| 16 | 128 |
| 17 | 171 |
| 18 | 236 |
| 19 | 399 |
| 20 | 408 |
| 21 | 510 |
| 22 | 1623 |
| 23 | 3597 |
| 24 | 3915 |
| 25 | 4616 |
| 26 | 4684 |
| 27 | 7335 |
| 28 | 10197 |
| 29 | 10768 |
| 30 | 14144 |
| 31 | 32768 |
| 32 | 39387 |
| 33 | 76035 |
| 34 | 77097 |
| 35 | 106605 |
| 36 | 162450 |
| 37 | 196080 |
| 38 | 219966 |
| 39 | 391696 |