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 | 2 |
| 3 | 4 |
| 4 | 11 |
| 5 | 17 |
| 6 | 107 |
| 7 | 131 |
| 8 | 811 |
| 9 | 1893 |
| 10 | 11107 |
| 11 | 17599 |
| 12 | 179371 |
| 13 | 233449 |
| 14 | 1866057 |
| 15 | 5603787 |
| 16 | 22469291 |
| 17 | 44744047 |
| 18 | 477262537 |
| 19 | 636308685 |
| 20 | 5732457131 |
| 21 | 15272176697 |
| 22 | 73301054891 |
| 23 | 133274359129 |
| 24 | 1466413263531 |