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 | 18 |
| 2 | 50 |
| 3 | 49 |
| 4 | 81 |
| 5 | 242 |
| 6 | 338 |
| 7 | 225 |
| 8 | 289 |
| 9 | 722 |
| 10 | 882 |
| 11 | 529 |
| 12 | 625 |
| 13 | 1458 |
| 14 | 1682 |
| 15 | 961 |
| 16 | 1089 |
| 17 | 2450 |
| 18 | 2738 |
| 19 | 1521 |
| 20 | 1681 |
| 21 | 3698 |
| 22 | 4050 |
| 23 | 2209 |
| 24 | 2401 |
| 25 | 5202 |
| 26 | 5618 |
| 27 | 3025 |
| 28 | 3249 |
| 29 | 6962 |
| 30 | 7442 |
| 31 | 3969 |
| 32 | 4225 |
| 33 | 8978 |
| 34 | 9522 |
| 35 | 5041 |
| 36 | 5329 |
| 37 | 11250 |
| 38 | 11858 |
| 39 | 6241 |