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 | 12 |
| 4 | 13 |
| 5 | 48 |
| 6 | 60 |
| 7 | 61 |
| 8 | 124 |
| 9 | 172 |
| 10 | 184 |
| 11 | 185 |
| 12 | 255 |
| 13 | 379 |
| 14 | 427 |
| 15 | 439 |
| 16 | 440 |
| 17 | 456 |
| 18 | 711 |
| 19 | 742 |
| 20 | 835 |
| 21 | 883 |
| 22 | 895 |
| 23 | 896 |
| 24 | 1128 |
| 25 | 1198 |
| 26 | 1453 |
| 27 | 1577 |
| 28 | 1625 |
| 29 | 1629 |
| 30 | 1637 |
| 31 | 1638 |
| 32 | 1870 |
| 33 | 2260 |
| 34 | 2326 |
| 35 | 2581 |
| 36 | 2705 |
| 37 | 2753 |
| 38 | 2757 |
| 39 | 2765 |
| 40 | 2766 |
| 41 | 3036 |
| 42 | 3499 |
| 43 | 3889 |
| 44 | 3955 |
| 45 | 3972 |
| 46 | 4210 |
| 47 | 4334 |
| 48 | 4382 |
| 49 | 4394 |
| 50 | 4395 |