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 | 9 |
| 2 | 75 |
| 3 | 245 |
| 4 | 567 |
| 5 | 1089 |
| 6 | 1859 |
| 7 | 2925 |
| 8 | 4335 |
| 9 | 6137 |
| 10 | 8379 |
| 11 | 11109 |
| 12 | 14375 |
| 13 | 18225 |
| 14 | 22707 |
| 15 | 27869 |
| 16 | 33759 |
| 17 | 40425 |
| 18 | 47915 |
| 19 | 56277 |
| 20 | 65559 |
| 21 | 75809 |
| 22 | 87075 |
| 23 | 99405 |
| 24 | 112847 |
| 25 | 127449 |
| 26 | 143259 |
| 27 | 160325 |
| 28 | 178695 |
| 29 | 198417 |
| 30 | 219539 |
| 31 | 242109 |
| 32 | 266175 |
| 33 | 291785 |
| 34 | 318987 |
| 35 | 347829 |
| 36 | 378359 |
| 37 | 410625 |