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 | 21 |
| 2 | 217 |
| 3 | 2191 |
| 4 | 2933 |
| 5 | 3073 |
| 6 | 3353 |
| 7 | 7063 |
| 8 | 7091 |
| 9 | 8813 |
| 10 | 9079 |
| 11 | 9233 |
| 12 | 9527 |
| 13 | 9569 |
| 14 | 10493 |
| 15 | 10717 |
| 16 | 11851 |
| 17 | 12131 |
| 18 | 16667 |
| 19 | 17857 |
| 20 | 18263 |
| 21 | 18347 |
| 22 | 19243 |
| 23 | 19733 |
| 24 | 22421 |
| 25 | 23093 |
| 26 | 24703 |
| 27 | 24787 |
| 28 | 25417 |
| 29 | 27349 |
| 30 | 28637 |
| 31 | 32347 |
| 32 | 32473 |
| 33 | 33607 |
| 34 | 33691 |
| 35 | 35273 |
| 36 | 35413 |