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 | 3 |
| 2 | 29 |
| 3 | 373 |
| 4 | 104281 |
| 5 | 26834329 |
| 6 | 912643687 |
| 7 | 1226640300497 |
| 8 | 98267311812235733 |
| 9 | 1020860032010008425847 |
| 10 | 21115310556546915420698449 |
| 11 | 1012916271690222867857136967 |
| 12 | 26879969170345514485602194376469 |
| 13 | 19901192726231131838758996344598879 |