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 | 1 |
| 2 | 39943162355 |
| 3 | 367743626989 |
| 4 | 372479081599 |
| 5 | 384263945797 |
| 6 | 425427609997 |
| 7 | 833230637077 |
| 8 | 924004183216 |
| 9 | 986073549499 |
| 10 | 996147664414 |
| 11 | 1139347038032 |
| 12 | 1420866014167 |
| 13 | 1531843001692 |
| 14 | 1706360863129 |
| 15 | 1861996227349 |
| 16 | 1871975416279 |
| 17 | 1899165154429 |
| 18 | 2077205393866 |