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 | 42 |
| 2 | 53 |
| 3 | 38160 |
| 4 | 61835 |
| 5 | 83615 |
| 6 | 346977 |
| 7 | 653018 |
| 8 | 950048 |
| 9 | 8647552 |
| 10 | 9534262 |
| 11 | 8167822280 |
| 12 | 9007920989 |
| 13 | 9209900789 |
| 14 | 9950000498 |
| 15 | 4737445289218 |
| 16 | 4990568257184 |
| 17 | 5009431742811 |
| 18 | 5262554710777 |
| 19 | 8373808925582 |