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 | 26 |
| 2 | 676 |
| 3 | 4238 |
| 4 | 26569 |
| 5 | 98126 |
| 6 | 362404 |
| 7 | 1007146 |
| 8 | 2798929 |
| 9 | 6501278 |
| 10 | 15100996 |
| 11 | 30983078 |
| 12 | 63568729 |
| 13 | 119052836 |
| 14 | 222964624 |
| 15 | 389322036 |
| 16 | 679801329 |
| 17 | 1122859818 |
| 18 | 1854680356 |
| 19 | 2928100406 |
| 20 | 4622776081 |
| 21 | 7029589490 |
| 22 | 10689492100 |
| 23 | 15748468190 |