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 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 8 |
| 7 | 27 |
| 8 | 28 |
| 9 | 31 |
| 10 | 54 |
| 11 | 256 |
| 12 | 257 |
| 13 | 260 |
| 14 | 283 |
| 15 | 512 |
| 16 | 3125 |
| 17 | 3126 |
| 18 | 3129 |
| 19 | 3152 |
| 20 | 3381 |
| 21 | 6250 |
| 22 | 46656 |
| 23 | 46657 |
| 24 | 46660 |
| 25 | 46683 |
| 26 | 46912 |
| 27 | 49781 |
| 28 | 93312 |
| 29 | 823543 |
| 30 | 823544 |
| 31 | 823547 |
| 32 | 823570 |
| 33 | 823799 |
| 34 | 826668 |
| 35 | 870199 |
| 36 | 1647086 |
| 37 | 16777216 |
| 38 | 16777217 |
| 39 | 16777220 |
| 40 | 16777243 |
| 41 | 16777472 |
| 42 | 16780341 |