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 | 50847534 |
| 2 | 98222287 |
| 3 | 144449537 |
| 4 | 189961812 |
| 5 | 234954223 |
| 6 | 279545368 |
| 7 | 323804352 |
| 8 | 367783654 |
| 9 | 411523195 |
| 10 | 455052511 |
| 11 | 498388617 |
| 12 | 541555851 |
| 13 | 584570200 |
| 14 | 627440336 |
| 15 | 670180516 |
| 16 | 712799821 |
| 17 | 755305935 |
| 18 | 797703398 |
| 19 | 840000027 |
| 20 | 882206716 |
| 21 | 924324489 |