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 | 71 |
| 2 | 151 |
| 3 | 223 |
| 4 | 251 |
| 5 | 463 |
| 6 | 467 |
| 7 | 487 |
| 8 | 587 |
| 9 | 811 |
| 10 | 827 |
| 11 | 859 |
| 12 | 1163 |
| 13 | 1171 |
| 14 | 1483 |
| 15 | 1523 |
| 16 | 1627 |
| 17 | 1787 |
| 18 | 1987 |
| 19 | 2011 |
| 20 | 2083 |
| 21 | 2179 |
| 22 | 2251 |
| 23 | 2467 |
| 24 | 2707 |
| 25 | 3019 |
| 26 | 3067 |
| 27 | 3187 |
| 28 | 3907 |
| 29 | 4603 |
| 30 | 5107 |
| 31 | 5923 |