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 | 68 |
| 3 | 142 |
| 4 | 341 |
| 5 | 395 |
| 6 | 490 |
| 7 | 585 |
| 8 | 1164 |
| 9 | 1707 |
| 10 | 26366 |
| 11 | 41358 |
| 12 | 46074 |
| 13 | 120805 |
| 14 | 147332 |
| 15 | 184259 |
| 16 | 205661 |
| 17 | 385710 |
| 18 | 522271 |
| 19 | 3418770 |
| 20 | 3675376 |
| 21 | 9424094 |