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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 9 |
| 3 | 169 |
| 4 | 5625 |
| 5 | 292681 |
| 6 | 21930489 |
| 7 | 2236627849 |
| 8 | 297935847225 |
| 9 | 50229268482121 |
| 10 | 10454564139438969 |
| 11 | 2632936466960600329 |
| 12 | 789136169944454084025 |
| 13 | 277579719258755165321161 |
| 14 | 113238180214596650771616249 |
| 15 | 53030348046942317338336489609 |
| 16 | 28256184698070300360908567636025 |