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 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 18 |
| 8 | 41 |
| 9 | 42 |
| 10 | 45 |
| 11 | 54 |
| 12 | 81 |
| 13 | 122 |
| 14 | 126 |
| 15 | 162 |
| 16 | 365 |
| 17 | 366 |
| 18 | 369 |
| 19 | 378 |
| 20 | 405 |
| 21 | 486 |
| 22 | 729 |
| 23 | 1094 |
| 24 | 1098 |
| 25 | 1134 |
| 26 | 1458 |
| 27 | 3281 |
| 28 | 3282 |
| 29 | 3285 |
| 30 | 3294 |
| 31 | 3321 |
| 32 | 3402 |
| 33 | 3645 |
| 34 | 4374 |
| 35 | 6561 |
| 36 | 9842 |
| 37 | 9846 |
| 38 | 9882 |
| 39 | 10206 |
| 40 | 13122 |
| 41 | 29525 |
| 42 | 29526 |
| 43 | 29529 |
| 44 | 29538 |
| 45 | 29565 |
| 46 | 29646 |
| 47 | 29889 |