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 | 8 |
| 3 | 32 |
| 4 | 44 |
| 5 | 577 |
| 6 | 5066 |
| 7 | 5669 |
| 8 | 8615 |
| 9 | 39787 |
| 10 | 59689 |
| 11 | 109752 |
| 12 | 146328 |
| 13 | 15451380 |
| 14 | 22173220 |
| 15 | 28558717 |
| 16 | 332573533 |
| 17 | 1837410366 |
| 18 | 3289933379 |
| 19 | 19053646133 |
| 20 | 370648112641 |