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 | 3 |
| 5 | 12 |
| 6 | 15 |
| 7 | 96 |
| 8 | 102 |
| 9 | 105 |
| 10 | 111 |
| 11 | 144 |
| 12 | 150 |
| 13 | 153 |
| 14 | 159 |
| 15 | 240 |
| 16 | 246 |
| 17 | 249 |
| 18 | 255 |
| 19 | 6144 |
| 20 | 6168 |
| 21 | 6180 |
| 22 | 6204 |
| 23 | 6210 |
| 24 | 6234 |
| 25 | 6246 |
| 26 | 6270 |
| 27 | 6273 |
| 28 | 6297 |
| 29 | 6309 |
| 30 | 6333 |
| 31 | 6339 |
| 32 | 6363 |
| 33 | 6375 |
| 34 | 6399 |
| 35 | 9216 |
| 36 | 9240 |
| 37 | 9252 |
| 38 | 9276 |
| 39 | 9282 |
| 40 | 9306 |
| 41 | 9318 |
| 42 | 9342 |
| 43 | 9345 |
| 44 | 9369 |
| 45 | 9381 |
| 46 | 9405 |
| 47 | 9411 |
| 48 | 9435 |