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) |
|---|---|
| 0 | 1 |
| 1 | 16 |
| 2 | 201 |
| 3 | 2336 |
| 4 | 26321 |
| 5 | 292656 |
| 6 | 3234841 |
| 7 | 35661376 |
| 8 | 392665761 |
| 9 | 4321276496 |
| 10 | 47543807081 |
| 11 | 523030706016 |
| 12 | 5753581906801 |
| 13 | 63290621677936 |
| 14 | 696202941972921 |
| 15 | 7658262879280256 |
| 16 | 84241044259973441 |
| 17 | 926652249799160976 |