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 | 128 |
| 3 | 2187 |
| 4 | 16384 |
| 5 | 78125 |
| 6 | 280064 |
| 7 | 823543 |
| 8 | 2097152 |
| 9 | 4785156 |
| 10 | 10000128 |
| 11 | 19487171 |
| 12 | 35848192 |
| 13 | 62748517 |
| 14 | 105413632 |
| 15 | 170939687 |
| 16 | 268435456 |
| 17 | 410338673 |
| 18 | 612500096 |
| 19 | 893871739 |
| 20 | 1280016384 |
| 21 | 1801914271 |
| 22 | 2494358016 |
| 23 | 3404825447 |
| 24 | 4588568576 |
| 25 | 6103593750 |
| 26 | 8031810304 |
| 27 | 10465138359 |