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 | 5 |
| 3 | 11 |
| 4 | 12 |
| 5 | 18 |
| 6 | 20 |
| 7 | 21 |
| 8 | 24 |
| 9 | 25 |
| 10 | 35 |
| 11 | 43 |
| 12 | 45 |
| 13 | 53 |
| 14 | 58 |
| 15 | 61 |
| 16 | 71 |
| 17 | 73 |
| 18 | 75 |
| 19 | 123 |
| 20 | 124 |
| 21 | 140 |
| 22 | 147 |
| 23 | 157 |
| 24 | 205 |
| 25 | 208 |
| 26 | 233 |
| 27 | 243 |
| 28 | 245 |
| 29 | 293 |
| 30 | 301 |