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 | 6 |
| 2 | 25 |
| 3 | 81 |
| 4 | 226 |
| 5 | 561 |
| 6 | 1277 |
| 7 | 2706 |
| 8 | 5411 |
| 9 | 10297 |
| 10 | 18788 |
| 11 | 33043 |
| 12 | 56277 |
| 13 | 93148 |
| 14 | 150303 |
| 15 | 237029 |
| 16 | 366135 |
| 17 | 554993 |
| 18 | 826904 |
| 19 | 1212695 |
| 20 | 1752761 |
| 21 | 2499432 |
| 22 | 3519935 |
| 23 | 4899801 |
| 24 | 6747052 |
| 25 | 9196983 |
| 26 | 12417949 |
| 27 | 16617932 |
| 28 | 22052383 |
| 29 | 29033069 |
| 30 | 37938516 |