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 | 122 |
| 2 | 11664 |
| 3 | 10000 |
| 4 | 15296 |
| 5 | 17712 |
| 6 | 68080 |
| 7 | 268152 |
| 8 | 1063756 |
| 9 | 4220952 |
| 10 | 16808164 |
| 11 | 66958736 |
| 12 | 267555284 |
| 13 | 1069442584 |
| 14 | 4276248392 |
| 15 | 17124441536 |
| 16 | 68526589584 |
| 17 | 274440666248 |
| 18 | 1099065057188 |
| 19 | 4401177662772 |
| 20 | 17628768823132 |
| 21 | 70603317991512 |