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 | 4 |
| 4 | 16 |
| 5 | 16 |
| 6 | 49 |
| 7 | 81 |
| 8 | 169 |
| 9 | 324 |
| 10 | 625 |
| 11 | 1296 |
| 12 | 2401 |
| 13 | 4900 |
| 14 | 9409 |
| 15 | 18769 |
| 16 | 36481 |
| 17 | 71824 |
| 18 | 141376 |
| 19 | 276676 |
| 20 | 544644 |
| 21 | 1067089 |
| 22 | 2099601 |
| 23 | 4116841 |
| 24 | 8088336 |
| 25 | 15880225 |
| 26 | 31181056 |
| 27 | 61230625 |
| 28 | 120209296 |
| 29 | 236083225 |
| 30 | 463497841 |
| 31 | 910168561 |
| 32 | 1787091076 |
| 33 | 3509140644 |
| 34 | 6890328064 |
| 35 | 13529411856 |