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 | 49511121842 |
| 2 | 281539574498 |
| 3 | 364765611938 |
| 4 | 401069383442 |
| 5 | 541692688082 |
| 6 | 703409488418 |
| 7 | 792177949472 |
| 8 | 971024246738 |
| 9 | 1067666696642 |
| 10 | 1090123576178 |
| 11 | 1315120863602 |
| 12 | 1383280118402 |
| 13 | 1442012945282 |
| 14 | 1561211646722 |
| 15 | 1828395925538 |
| 16 | 1868287026242 |
| 17 | 1872511131218 |
| 18 | 2054230720178 |