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 | 105760443698 |
| 3 | 131801075042 |
| 4 | 187758243218 |
| 5 | 253590205778 |
| 6 | 281539574498 |
| 7 | 319889609522 |
| 8 | 364765611938 |
| 9 | 401069383442 |
| 10 | 445600096578 |
| 11 | 510334859762 |
| 12 | 541692688082 |
| 13 | 601395185762 |
| 14 | 615665999858 |
| 15 | 703409488418 |
| 16 | 730871934338 |
| 17 | 749472385298 |
| 18 | 792177949472 |