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 | 3 |
| 4 | 1 |
| 5 | 5 |
| 6 | 23 |
| 7 | 35 |
| 8 | 97 |
| 9 | 203 |
| 10 | 409 |
| 11 | 205 |
| 12 | 1297 |
| 13 | 933 |
| 14 | 311 |
| 15 | 10819 |
| 16 | 18239 |
| 17 | 37611 |
| 18 | 118535 |
| 19 | 135251 |
| 20 | 394609 |
| 21 | 217989 |
| 22 | 72663 |
| 23 | 24221 |
| 24 | 2788129 |
| 25 | 4663029 |
| 26 | 32000089 |
| 27 | 11702925 |
| 28 | 3900975 |
| 29 | 1300325 |
| 30 | 358347383 |
| 31 | 596378755 |
| 32 | 1232862847 |
| 33 | 3274265813 |
| 34 | 6818044999 |
| 35 | 3453941395 |