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 | 132 |
| 2 | 2902 |
| 3 | 27024 |
| 4 | 154647 |
| 5 | 647404 |
| 6 | 2180310 |
| 7 | 6256170 |
| 8 | 15876783 |
| 9 | 36560854 |
| 10 | 77812152 |
| 11 | 155155078 |
| 12 | 292868433 |
| 13 | 527561802 |
| 14 | 912752596 |
| 15 | 1524615420 |
| 16 | 2469089061 |
| 17 | 3890540016 |
| 18 | 5982195106 |
| 19 | 8998569348 |
| 20 | 13270128883 |
| 21 | 19220442384 |
| 22 | 27386087994 |