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 | 239 |
| 2 | 10511 |
| 3 | 227112 |
| 4 | 3518302 |
| 5 | 48166179 |
| 6 | 644368221 |
| 7 | 8684742989 |
| 8 | 118171436342 |
| 9 | 1617034882854 |
| 10 | 22180823169132 |
| 11 | 304470584215636 |
| 12 | 4179566726619035 |
| 13 | 57366850907237080 |
| 14 | 787294489483452053 |
| 15 | 10803851806245324942 |