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 | 8 |
| 2 | 16 |
| 3 | 88 |
| 4 | 160 |
| 5 | 808 |
| 6 | 1456 |
| 7 | 7288 |
| 8 | 13120 |
| 9 | 65608 |
| 10 | 118096 |
| 11 | 590488 |
| 12 | 1062880 |
| 13 | 5314408 |
| 14 | 9565936 |
| 15 | 47829688 |
| 16 | 86093440 |
| 17 | 430467208 |
| 18 | 774840976 |
| 19 | 3874204888 |
| 20 | 6973568800 |
| 21 | 34867844008 |
| 22 | 62762119216 |
| 23 | 313810596088 |
| 24 | 564859072960 |
| 25 | 2824295364808 |
| 26 | 5083731656656 |
| 27 | 25418658283288 |