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 | 17 |
| 3 | 94 |
| 4 | 965 |
| 5 | 841 |
| 6 | 6167 |
| 7 | 18044 |
| 8 | 225489 |
| 9 | 75220 |
| 10 | 4280111 |
| 11 | 899494 |
| 12 | 86645897 |
| 13 | 26288822 |
| 14 | 41914055 |
| 15 | 296912584 |
| 16 | 5893703327 |
| 17 | 1703822073 |
| 18 | 49486578079 |
| 19 | 14076109870 |
| 20 | 12725008135 |
| 21 | 1190932611 |
| 22 | 122366761563 |
| 23 | 203957791852 |