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 | 50 |
| 2 | 2500 |
| 3 | 64660 |
| 4 | 1006318 |
| 5 | 10804883 |
| 6 | 87613063 |
| 7 | 570145144 |
| 8 | 3107412546 |
| 9 | 14632983606 |
| 10 | 60951077586 |
| 11 | 228682697934 |
| 12 | 784020062496 |
| 13 | 2484771896660 |
| 14 | 7348846431262 |
| 15 | 20442258040721 |
| 16 | 53835488429681 |
| 17 | 134975315832464 |