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 | 4 |
| 2 | 8 |
| 3 | 16 |
| 4 | 25 |
| 5 | 49 |
| 6 | 121 |
| 7 | 169 |
| 8 | 243 |
| 9 | 512 |
| 10 | 1331 |
| 11 | 1681 |
| 12 | 2809 |
| 13 | 4913 |
| 14 | 6241 |
| 15 | 7921 |
| 16 | 9409 |
| 17 | 14641 |
| 18 | 22201 |
| 19 | 36481 |
| 20 | 44521 |
| 21 | 49729 |
| 22 | 94249 |
| 23 | 185761 |
| 24 | 226981 |
| 25 | 271441 |
| 26 | 292681 |
| 27 | 452929 |
| 28 | 619369 |
| 29 | 769129 |
| 30 | 822649 |
| 31 | 1181569 |
| 32 | 1852321 |
| 33 | 5442889 |
| 34 | 6265009 |
| 35 | 8994001 |
| 36 | 10883401 |
| 37 | 17648401 |
| 38 | 18722929 |