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 | 0 |
| 1 | 12 |
| 2 | 204 |
| 3 | 240 |
| 4 | 3276 |
| 5 | 3312 |
| 6 | 3852 |
| 7 | 3888 |
| 8 | 4032 |
| 9 | 52428 |
| 10 | 52464 |
| 11 | 53004 |
| 12 | 53040 |
| 13 | 53184 |
| 14 | 61644 |
| 15 | 61680 |
| 16 | 62220 |
| 17 | 62256 |
| 18 | 62400 |
| 19 | 64524 |
| 20 | 64560 |
| 21 | 64704 |
| 22 | 65280 |
| 23 | 838860 |
| 24 | 838896 |
| 25 | 839436 |
| 26 | 839472 |
| 27 | 839616 |
| 28 | 848076 |
| 29 | 848112 |
| 30 | 848652 |
| 31 | 848688 |
| 32 | 848832 |
| 33 | 850956 |
| 34 | 850992 |