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 | 7 |
| 3 | 217 |
| 4 | 3937 |
| 5 | 6727 |
| 6 | 6847 |
| 7 | 51943 |
| 8 | 170671 |
| 9 | 330337 |
| 10 | 385687 |
| 11 | 2484247 |
| 12 | 2566537 |
| 13 | 2904007 |
| 14 | 3020857 |
| 15 | 3696967 |
| 16 | 6465577 |
| 17 | 9405337 |
| 18 | 12021439 |
| 19 | 19384207 |