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 | 51 |
| 2 | 624 |
| 3 | 3611 |
| 4 | 14125 |
| 5 | 43013 |
| 6 | 110099 |
| 7 | 248143 |
| 8 | 507521 |
| 9 | 961625 |
| 10 | 1712983 |
| 11 | 2900099 |
| 12 | 4705013 |
| 13 | 7361581 |
| 14 | 11164475 |
| 15 | 16478903 |
| 16 | 23751049 |
| 17 | 33519233 |
| 18 | 46425791 |
| 19 | 63229675 |
| 20 | 84819773 |
| 21 | 112228949 |
| 22 | 146648803 |
| 23 | 189445151 |
| 24 | 242174225 |
| 25 | 306599593 |
| 26 | 384709799 |