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 | 1709 |
| 2 | 6372 |
| 3 | 24024 |
| 4 | 91052 |
| 5 | 346091 |
| 6 | 1318249 |
| 7 | 5029086 |
| 8 | 19207812 |
| 9 | 73418105 |
| 10 | 280780468 |
| 11 | 1074200514 |
| 12 | 4110562320 |
| 13 | 15731749698 |
| 14 | 60212701130 |
| 15 | 230472089415 |