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 | 2 |
| 3 | 12 |
| 4 | 21 |
| 5 | 38 |
| 6 | 88 |
| 7 | 2729 |
| 8 | 2036462 |
| 9 | 2678521 |
| 10 | 1203108962 |
| 11 | 343143082067979 |
| 12 | 2678520388463521 |
| 13 | 1071033028175028538 |
| 14 | 2177492084289725902412 |