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 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 24 |
| 5 | 25 |
| 6 | 120 |
| 7 | 49 |
| 8 | 144 |
| 9 | 135 |
| 10 | 540 |
| 11 | 121 |
| 12 | 1728 |
| 13 | 169 |
| 14 | 1456 |
| 15 | 2145 |
| 16 | 800 |
| 17 | 289 |
| 18 | 5220 |
| 19 | 361 |
| 20 | 8840 |
| 21 | 5985 |
| 22 | 5544 |
| 23 | 529 |
| 24 | 21216 |
| 25 | 1125 |
| 26 | 9100 |
| 27 | 1863 |
| 28 | 25200 |
| 29 | 841 |
| 30 | 252000 |
| 31 | 961 |
| 32 | 4160 |
| 33 | 23529 |
| 34 | 20196 |
| 35 | 31465 |
| 36 | 94392 |
| 37 | 1369 |
| 38 | 28120 |
| 39 | 38961 |
| 40 | 113520 |
| 41 | 1681 |
| 42 | 991452 |
| 43 | 1849 |
| 44 | 101024 |
| 45 | 118215 |