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 | 74 |
| 2 | 8021 |
| 3 | 9704 |
| 4 | 165836 |
| 5 | 352649 |
| 6 | 997004 |
| 7 | 19768025 |
| 8 | 20657936 |
| 9 | 29767025 |
| 10 | 30856916 |
| 11 | 98000201 |
| 12 | 99970004 |
| 13 | 1203287969 |
| 14 | 1975280249 |
| 15 | 3086569136 |
| 16 | 4265757344 |
| 17 | 8143718564 |
| 18 | 9999700004 |
| 19 | 48125951876 |
| 20 | 81632918369 |
| 21 | 82205917796 |
| 22 | 87792912209 |