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 | 1 |
| 2 | 18 |
| 3 | 20 |
| 4 | 22 |
| 5 | 41 |
| 6 | 43 |
| 7 | 62 |
| 8 | 64 |
| 9 | 66 |
| 10 | 83 |
| 11 | 85 |
| 12 | 87 |
| 13 | 106 |
| 14 | 108 |
| 15 | 110 |
| 16 | 127 |
| 17 | 129 |
| 18 | 131 |
| 19 | 150 |
| 20 | 152 |
| 21 | 171 |
| 22 | 173 |
| 23 | 175 |
| 24 | 194 |
| 25 | 196 |
| 26 | 215 |
| 27 | 217 |
| 28 | 219 |
| 29 | 236 |
| 30 | 238 |
| 31 | 240 |