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 | 10662963 |
| 2 | 52387849 |
| 3 | 125674659 |
| 4 | 230523393 |
| 5 | 366934051 |
| 6 | 534906633 |
| 7 | 734441139 |
| 8 | 965537569 |
| 9 | 1228195923 |
| 10 | 1522416201 |
| 11 | 1848198403 |
| 12 | 2205542529 |
| 13 | 2594448579 |
| 14 | 3014916553 |
| 15 | 3466946451 |
| 16 | 3950538273 |
| 17 | 4465692019 |
| 18 | 5012407689 |
| 19 | 5590685283 |