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 | 25 |
| 2 | 324 |
| 3 | 3025 |
| 4 | 35721 |
| 5 | 11730625 |
| 6 | 71132356 |
| 7 | 1132591716 |
| 8 | 17136119025 |
| 9 | 1923311317225 |
| 10 | 58191311792329 |
| 11 | 58191311792329 |
| 12 | 231372178511929 |
| 13 | 1722376411319529 |
| 14 | 1134152319174379129 |
| 15 | 472643754131992311729 |
| 16 | 17298113195343723473641 |
| 17 | 419723711317595314724329 |
| 18 | 4319231361106417537475929 |