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 | 15 |
| 2 | 20 |
| 3 | 24 |
| 4 | 35 |
| 5 | 40 |
| 6 | 51 |
| 7 | 52 |
| 8 | 88 |
| 9 | 91 |
| 10 | 115 |
| 11 | 123 |
| 12 | 148 |
| 13 | 187 |
| 14 | 232 |
| 15 | 235 |
| 16 | 267 |
| 17 | 403 |
| 18 | 427 |