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 | 15 |
| 3 | 1825 |
| 4 | 6667 |
| 5 | 235702 |
| 6 | 2581988 |
| 7 | 8819171 |
| 8 | 94280904 |
| 9 | 316227766 |
| 10 | 10050378152592120755 |
| 11 | 1054092553389459777333 |
| 12 | 348155311911395676354583 |
| 13 | 36237153766973933397363154 |
| 14 | 3760507165451774726100982411 |