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) |
|---|---|
| 0 | 1 |
| 1 | 95 |
| 2 | 4465 |
| 3 | 138415 |
| 4 | 3183545 |
| 5 | 57940519 |
| 6 | 869107785 |
| 7 | 11050084695 |
| 8 | 121550931645 |
| 9 | 1174992339235 |
| 10 | 10104934117421 |
| 11 | 78083581816435 |
| 12 | 546585072715045 |
| 13 | 3489735464257595 |
| 14 | 20439879147794485 |
| 15 | 110375347398090219 |
| 16 | 551876736990451095 |