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 | 1 |
| 3 | 11 |
| 4 | 1 |
| 5 | 1 |
| 6 | 57 |
| 7 | 1 |
| 8 | 1191 |
| 9 | 1 |
| 10 | 15619 |
| 11 | 4293 |
| 12 | 247 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1013 |
| 16 | 1 |
| 17 | 152637 |
| 18 | 1 |
| 19 | 10187685 |
| 20 | 478271 |
| 21 | 4083 |
| 22 | 1 |
| 23 | 423281535 |
| 24 | 1 |
| 25 | 12843262863 |
| 26 | 2571742175 |
| 27 | 16369 |
| 28 | 1 |
| 29 | 311387598411 |
| 30 | 15041229521 |
| 31 | 13824739 |
| 32 | 1 |
| 33 | 6382798925475 |
| 34 | 3207483178157 |
| 35 | 782115518299 |