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 | 28 |
| 3 | 90 |
| 4 | 213 |
| 5 | 398 |
| 6 | 536 |
| 7 | 496 |
| 8 | 212 |
| 9 | 3748 |
| 10 | 31522 |
| 11 | 162688 |
| 12 | 559147 |
| 13 | 1311219 |
| 14 | 2029362 |
| 15 | 1882767 |
| 16 | 803904 |
| 17 | 17367570 |
| 18 | 171263266 |
| 19 | 1001635722 |
| 20 | 3786706210 |
| 21 | 9461740656 |
| 22 | 15221077360 |
| 23 | 14401078980 |
| 24 | 6125881940 |
| 25 | 143992454820 |
| 26 | 1520973953255 |