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) |
|---|---|
| 2 | 36 |
| 3 | 324 |
| 4 | 3025 |
| 5 | 30276 |
| 6 | 300304 |
| 7 | 3003289 |
| 8 | 30008484 |
| 9 | 300017041 |
| 10 | 3000081529 |
| 11 | 30000318436 |
| 12 | 300000484729 |
| 13 | 3000000666601 |
| 14 | 30000004655076 |
| 15 | 300000032019081 |
| 16 | 3000000027329536 |
| 17 | 30000000084216561 |
| 18 | 300000000542063364 |