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 | 3512071871 |
| 2 | 10470856319 |
| 3 | 11956093919 |
| 4 | 12283814015 |
| 5 | 13150303199 |
| 6 | 15128703359 |
| 7 | 15966728855 |
| 8 | 18063158399 |
| 9 | 21887083295 |
| 10 | 22572006479 |
| 11 | 23388059519 |
| 12 | 23836221695 |
| 13 | 23940514367 |
| 14 | 25231063319 |
| 15 | 25638464159 |
| 16 | 27742047839 |
| 17 | 28160966735 |
| 18 | 30070781279 |
| 19 | 31251542399 |
| 20 | 35160944399 |