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) |
|---|---|
| 3 | 7 |
| 4 | 14 |
| 5 | 13 |
| 6 | 22 |
| 7 | 21 |
| 8 | 33 |
| 9 | 29 |
| 10 | 47 |
| 11 | 39 |
| 12 | 64 |
| 13 | 50 |
| 14 | 78 |
| 15 | 63 |
| 16 | 93 |
| 17 | 76 |
| 18 | 112 |
| 19 | 90 |
| 20 | 131 |
| 21 | 105 |
| 22 | 151 |
| 23 | 121 |
| 24 | 171 |