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 | 0 |
| 2 | 10 |
| 3 | 84 |
| 4 | 10 |
| 5 | 15630 |
| 6 | 94 |
| 7 | 5764808 |
| 8 | 10 |
| 9 | 84 |
| 10 | 15640 |
| 11 | 3138428376732 |
| 12 | 94 |
| 13 | 3937376385699302 |
| 14 | 5764818 |
| 15 | 15714 |
| 16 | 10 |
| 17 | 14063084452067724991026 |
| 18 | 94 |
| 19 | 37589973457545958193355620 |
| 20 | 15640 |
| 21 | 5764892 |
| 22 | 3138428376742 |
| 23 | 480250763996501976790165756943064 |
| 24 | 94 |
| 25 | 15630 |
| 26 | 3937376385699312 |