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 | 29 |
| 2 | 113 |
| 3 | 4791863 |
| 4 | 405644483 |
| 5 | 572474939 |
| 6 | 634320569 |
| 7 | 682174583 |
| 8 | 818968193 |
| 9 | 969853403 |
| 10 | 1036779743 |
| 11 | 2601030389 |
| 12 | 2695639619 |
| 13 | 3119098589 |
| 14 | 3157378883 |
| 15 | 3696784103 |
| 16 | 4558120313 |
| 17 | 4624978013 |
| 18 | 4671070319 |
| 19 | 5787581213 |
| 20 | 7985879579 |