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 | 7 |
| 2 | 167 |
| 3 | 507 |
| 4 | 543 |
| 5 | 3433 |
| 6 | 6707 |
| 7 | 9615 |
| 8 | 15690 |
| 9 | 87667 |
| 10 | 1023971 |
| 11 | 2054435 |
| 12 | 5871045 |
| 13 | 9150387 |
| 14 | 14146891 |
| 15 | 63538839 |
| 16 | 169623015 |