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 | 2 |
| 3 | 11 |
| 4 | 12 |
| 5 | 15 |
| 6 | 102 |
| 7 | 104 |
| 8 | 105 |
| 9 | 140 |
| 10 | 177 |
| 11 | 188 |
| 12 | 380 |
| 13 | 1003 |
| 14 | 1004 |
| 15 | 1011 |
| 16 | 1038 |
| 17 | 1174 |
| 18 | 1241 |
| 19 | 1247 |
| 20 | 1471 |
| 21 | 1605 |
| 22 | 1611 |
| 23 | 10004 |
| 24 | 10044 |
| 25 | 10058 |
| 26 | 10673 |
| 27 | 11643 |
| 28 | 31160 |
| 29 | 100005 |
| 30 | 100009 |
| 31 | 100041 |
| 32 | 103546 |
| 33 | 113532 |
| 34 | 125320 |
| 35 | 131236 |
| 36 | 138000 |
| 37 | 350000 |
| 38 | 1000006 |
| 39 | 1000070 |
| 40 | 1000852 |
| 41 | 1000950 |