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 | 4 |
| 2 | 8 |
| 3 | 16 |
| 4 | 27 |
| 5 | 54 |
| 6 | 81 |
| 7 | 162 |
| 8 | 243 |
| 9 | 486 |
| 10 | 729 |
| 11 | 1458 |
| 12 | 2187 |
| 13 | 4374 |
| 14 | 6561 |
| 15 | 12005 |
| 16 | 16807 |
| 17 | 33614 |
| 18 | 50421 |
| 19 | 84035 |
| 20 | 117649 |
| 21 | 235298 |
| 22 | 352947 |
| 23 | 588245 |
| 24 | 823543 |
| 25 | 1647086 |
| 26 | 2470629 |
| 27 | 4117715 |
| 28 | 5764801 |
| 29 | 11529602 |
| 30 | 17294403 |
| 31 | 28824005 |
| 32 | 40353607 |
| 33 | 70799773 |
| 34 | 112232663 |
| 35 | 148035889 |
| 36 | 229345007 |