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 | 136 |
| 3 | 616 |
| 4 | 2016 |
| 5 | 5376 |
| 6 | 12432 |
| 7 | 25872 |
| 8 | 49632 |
| 9 | 89232 |
| 10 | 152152 |
| 11 | 248248 |
| 12 | 390208 |
| 13 | 594048 |
| 14 | 879648 |
| 15 | 1271328 |
| 16 | 1798464 |
| 17 | 2496144 |
| 18 | 3405864 |
| 19 | 4576264 |
| 20 | 6063904 |
| 21 | 7934080 |
| 22 | 10261680 |
| 23 | 13132080 |
| 24 | 16642080 |
| 25 | 20900880 |
| 26 | 26031096 |
| 27 | 32169816 |
| 28 | 39469696 |