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 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 9 |
| 6 | 10 |
| 7 | 12 |
| 8 | 20 |
| 9 | 27 |
| 10 | 30 |
| 11 | 34 |
| 12 | 39 |
| 13 | 41 |
| 14 | 42 |
| 15 | 69 |
| 16 | 78 |
| 17 | 100 |
| 18 | 122 |
| 19 | 137 |
| 20 | 262 |
| 21 | 315 |
| 22 | 587 |
| 23 | 609 |
| 24 | 631 |
| 25 | 758 |
| 26 | 890 |
| 27 | 1083 |
| 28 | 1092 |
| 29 | 1114 |
| 30 | 1364 |
| 31 | 1373 |