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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 5 |
| 5 | 31 |
| 6 | 31 |
| 7 | 247 |
| 8 | 247 |
| 9 | 247 |
| 10 | 247 |
| 11 | 2927 |
| 12 | 2927 |
| 13 | 40361 |
| 14 | 40361 |
| 15 | 40361 |
| 16 | 40361 |
| 17 | 716167 |
| 18 | 716167 |
| 19 | 14117683 |
| 20 | 14117683 |
| 21 | 14117683 |
| 22 | 14117683 |
| 23 | 334406399 |
| 24 | 334406399 |
| 25 | 334406399 |
| 26 | 334406399 |
| 27 | 334406399 |
| 28 | 334406399 |
| 29 | 9920878441 |
| 30 | 9920878441 |
| 31 | 314016924901 |
| 32 | 314016924901 |