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 | 3395619 |
| 2 | 17808513 |
| 3 | 43524451 |
| 4 | 80543433 |
| 5 | 128865459 |
| 6 | 188490529 |
| 7 | 259418643 |
| 8 | 341649801 |
| 9 | 435184003 |
| 10 | 540021249 |
| 11 | 656161539 |
| 12 | 783604873 |
| 13 | 922351251 |
| 14 | 1072400673 |
| 15 | 1233753139 |
| 16 | 1406408649 |
| 17 | 1590367203 |
| 18 | 1785628801 |
| 19 | 1992193443 |
| 20 | 2210061129 |