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) |
|---|---|
| 0 | 1 |
| 1 | 338 |
| 2 | 6891 |
| 3 | 49246 |
| 4 | 228737 |
| 5 | 716214 |
| 6 | 2110081 |
| 7 | 4663844 |
| 8 | 10289331 |
| 9 | 19945864 |
| 10 | 37518971 |
| 11 | 61582884 |
| 12 | 109478509 |
| 13 | 165518210 |
| 14 | 259500567 |
| 15 | 393804256 |
| 16 | 586056347 |
| 17 | 802076580 |
| 18 | 1171487431 |
| 19 | 1550250662 |
| 20 | 2174383653 |
| 21 | 2909581936 |
| 22 | 3842464925 |
| 23 | 4838646900 |
| 24 | 6528085915 |
| 25 | 8177178662 |
| 26 | 10347435783 |
| 27 | 12932799472 |