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 | 4 |
| 3 | 16 |
| 4 | 19 |
| 5 | 106 |
| 6 | 109 |
| 7 | 121 |
| 8 | 124 |
| 9 | 1156 |
| 10 | 1159 |
| 11 | 1171 |
| 12 | 1174 |
| 13 | 1261 |
| 14 | 1264 |
| 15 | 1276 |
| 16 | 1279 |
| 17 | 15016 |
| 18 | 15019 |
| 19 | 15031 |
| 20 | 15034 |
| 21 | 15121 |
| 22 | 15124 |
| 23 | 15136 |
| 24 | 15139 |
| 25 | 16171 |
| 26 | 16174 |
| 27 | 16186 |
| 28 | 16189 |
| 29 | 16276 |
| 30 | 16279 |
| 31 | 16291 |
| 32 | 16294 |
| 33 | 255256 |
| 34 | 255259 |
| 35 | 255271 |
| 36 | 255274 |
| 37 | 255361 |
| 38 | 255364 |
| 39 | 255376 |
| 40 | 255379 |
| 41 | 256411 |
| 42 | 256414 |
| 43 | 256426 |
| 44 | 256429 |
| 45 | 256516 |
| 46 | 256519 |
| 47 | 256531 |