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 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 5 |
| 7 | 10 |
| 8 | 1 |
| 9 | 11 |
| 10 | 11 |
| 11 | 11 |
| 12 | 11 |
| 13 | 55 |
| 14 | 5 |
| 15 | 115 |
| 16 | 1495 |
| 17 | 8671 |
| 18 | 43355 |
| 19 | 476905 |
| 20 | 16691675 |
| 21 | 16691675 |
| 22 | 43398355 |
| 23 | 254190365 |
| 24 | 559218803 |
| 25 | 559218803 |
| 26 | 13980470075 |
| 27 | 1075420775 |
| 28 | 56997301075 |
| 29 | 1036314565 |
| 30 | 1036314565 |
| 31 | 1036314565 |
| 32 | 6123676975 |