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 | 616 |
| 3 | 9573 |
| 4 | 230726 |
| 5 | 4507281 |
| 6 | 91513161 |
| 7 | 1858438456 |
| 8 | 37821111242 |
| 9 | 770579589471 |
| 10 | 15693427613278 |
| 11 | 319526953387664 |
| 12 | 6505023784413466 |
| 13 | 132434218085749212 |
| 14 | 2696224146302670678 |