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 | 3 |
| 2 | 5 |
| 3 | 32 |
| 4 | 35 |
| 5 | 37 |
| 6 | 63 |
| 7 | 65 |
| 8 | 136 |
| 9 | 568 |
| 10 | 5215 |
| 11 | 367806 |
| 12 | 939787 |
| 13 | 6369039 |
| 14 | 7885438 |
| 15 | 9536129 |
| 16 | 140292677 |
| 17 | 184151166 |
| 18 | 890838663 |
| 19 | 912903445 |
| 20 | 3171881612 |