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 | 68 |
| 2 | 1281 |
| 3 | 4624 |
| 4 | 13961 |
| 5 | 30900 |
| 6 | 63241 |
| 7 | 113024 |
| 8 | 193137 |
| 9 | 305860 |
| 10 | 470321 |
| 11 | 688848 |
| 12 | 987961 |
| 13 | 1369844 |
| 14 | 1869561 |
| 15 | 2488960 |
| 16 | 3272801 |
| 17 | 4222404 |
| 18 | 5393377 |
| 19 | 6786320 |
| 20 | 8468841 |
| 21 | 10440628 |
| 22 | 12782441 |
| 23 | 15492864 |
| 24 | 18666961 |
| 25 | 22302020 |
| 26 | 26508561 |
| 27 | 31282384 |
| 28 | 36750617 |