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 | 67 |
| 2 | 123517 |
| 3 | 148207 |
| 4 | 271657 |
| 5 | 296347 |
| 6 | 321037 |
| 7 | 345727 |
| 8 | 395107 |
| 9 | 444487 |
| 10 | 567937 |
| 11 | 666697 |
| 12 | 1061737 |
| 13 | 1209877 |
| 14 | 1407397 |
| 15 | 1506157 |
| 16 | 1530847 |
| 17 | 1827127 |
| 18 | 1876507 |
| 19 | 1950577 |
| 20 | 1999957 |
| 21 | 2024647 |
| 22 | 2098717 |
| 23 | 2222167 |
| 24 | 2296237 |
| 25 | 2345617 |
| 26 | 2469067 |
| 27 | 2567827 |
| 28 | 2617207 |
| 29 | 2691277 |
| 30 | 2814727 |