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 | 7 |
| 3 | 23 |
| 4 | 41 |
| 5 | 71 |
| 6 | 313 |
| 7 | 643 |
| 8 | 4111 |
| 9 | 457 |
| 10 | 1031 |
| 11 | 439 |
| 12 | 311 |
| 13 | 53173 |
| 14 | 191 |
| 15 | 107227 |
| 16 | 409 |
| 17 | 3361 |
| 18 | 2161 |
| 19 | 533821 |
| 20 | 12391 |
| 21 | 133321 |
| 22 | 15791 |
| 23 | 124153 |
| 24 | 5881 |
| 25 | 268969 |
| 26 | 48889 |
| 27 | 64609 |
| 28 | 36721 |
| 29 | 55441 |
| 30 | 166031 |
| 31 | 1373989 |
| 32 | 156601 |
| 33 | 2494381 |
| 34 | 95471 |
| 35 | 71761 |
| 36 | 95525767 |