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 | 0 |
| 2 | 4 |
| 3 | 9 |
| 4 | 8 |
| 5 | 25 |
| 6 | 59 |
| 7 | 49 |
| 8 | 128 |
| 9 | 243 |
| 10 | 2173 |
| 11 | 121 |
| 12 | 10379 |
| 13 | 169 |
| 14 | 131415 |
| 15 | 180272 |
| 16 | 524288 |
| 17 | 289 |
| 18 | 9982931 |
| 19 | 361 |
| 20 | 536949037 |
| 21 | 129156970 |
| 22 | 2147484979 |
| 23 | 529 |
| 24 | 138601214939 |
| 25 | 48828125 |
| 26 | 2199023257749 |
| 27 | 94143178827 |
| 28 | 8796093845751 |
| 29 | 841 |
| 30 | 209369086423336 |
| 31 | 961 |
| 32 | 9007199254740992 |