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 | 49 |
| 3 | 343 |
| 4 | 2401 |
| 5 | 16807 |
| 6 | 117649 |
| 7 | 0 |
| 8 | 1570497 |
| 9 | 2089855 |
| 10 | 2475249 |
| 11 | 9122472 |
| 12 | 10209313 |
| 13 | 5300159 |
| 14 | 98001617 |
| 15 | 62916193 |
| 16 | 84245889 |
| 17 | 82474028 |
| 18 | 145795249 |
| 19 | 530403874 |
| 20 | 57612001 |
| 21 | 1611673651 |
| 22 | 2006506001 |
| 23 | 832663280 |
| 24 | 2652148801 |
| 25 | 4541072682 |
| 26 | 7457168625 |
| 27 | 3383428402 |
| 28 | 6778582433 |
| 29 | 4637847366 |