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 | 4 |
| 2 | 68 |
| 3 | 80 |
| 4 | 1092 |
| 5 | 1104 |
| 6 | 1284 |
| 7 | 1296 |
| 8 | 1344 |
| 9 | 17476 |
| 10 | 17488 |
| 11 | 17668 |
| 12 | 17680 |
| 13 | 17728 |
| 14 | 20548 |
| 15 | 20560 |
| 16 | 20740 |
| 17 | 20752 |
| 18 | 20800 |
| 19 | 21508 |
| 20 | 21520 |
| 21 | 21568 |
| 22 | 21760 |
| 23 | 279620 |
| 24 | 279632 |
| 25 | 279812 |
| 26 | 279824 |
| 27 | 279872 |
| 28 | 282692 |
| 29 | 282704 |
| 30 | 282884 |
| 31 | 282896 |
| 32 | 282944 |
| 33 | 283652 |
| 34 | 283664 |
| 35 | 283712 |