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 | 5 |
| 2 | 37 |
| 3 | 405 |
| 4 | 5797 |
| 5 | 100729 |
| 6 | 2042489 |
| 7 | 47179065 |
| 8 | 1220920889 |
| 9 | 34959928189 |
| 10 | 1096877292413 |
| 11 | 37411749830381 |
| 12 | 1378024126754541 |
| 13 | 54510112209204673 |
| 14 | 2304521044056503745 |
| 15 | 103693069431259678913 |
| 16 | 4947499083397499144385 |