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 | 49665 |
| 2 | 348161 |
| 3 | 19701781 |
| 4 | 138502485 |
| 5 | 7841194625 |
| 6 | 55123576321 |
| 7 | 3120775694421 |
| 8 | 21939044808725 |
| 9 | 1242060885120385 |
| 10 | 8731684710231681 |
| 11 | 494337111502154261 |
| 12 | 3475188575627335765 |
| 13 | 196744928316972210945 |
| 14 | 1383116321414969338241 |
| 15 | 78303987133043437737301 |