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 | 50 |
| 2 | 642 |
| 3 | 1284 |
| 4 | 1926 |
| 5 | 2292 |
| 6 | 5088 |
| 7 | 29828 |
| 8 | 42922 |
| 9 | 53046 |
| 10 | 95968 |
| 11 | 512050 |
| 12 | 1043160 |
| 13 | 1723714 |
| 14 | 14819056 |
| 15 | 154860206 |
| 16 | 159251186 |
| 17 | 752516578 |
| 18 | 946218018 |
| 19 | 54728972948 |