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 | 16 |
| 2 | 27 |
| 3 | 48 |
| 4 | 54 |
| 5 | 270 |
| 6 | 528 |
| 7 | 1755 |
| 8 | 7216 |
| 9 | 7830 |
| 10 | 11934 |
| 11 | 69168 |
| 12 | 81702 |
| 13 | 100368 |
| 14 | 264654 |
| 15 | 340470 |
| 16 | 559899 |
| 17 | 1397808 |
| 18 | 1586340 |
| 19 | 1695195 |
| 20 | 3837510 |
| 21 | 3918420 |
| 22 | 8989110 |
| 23 | 9815568 |
| 24 | 13010448 |
| 25 | 15812550 |
| 26 | 19468816 |
| 27 | 26302590 |
| 28 | 75872430 |
| 29 | 132825616 |
| 30 | 133529580 |
| 31 | 180280539 |
| 32 | 271165488 |