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 | 101 |
| 3 | 609 |
| 4 | 808 |
| 5 | 906 |
| 6 | 11011 |
| 7 | 16091 |
| 8 | 18081 |
| 9 | 19061 |
| 10 | 61019 |
| 11 | 66099 |
| 12 | 68089 |
| 13 | 69069 |
| 14 | 81018 |
| 15 | 86098 |
| 16 | 88088 |
| 17 | 89068 |
| 18 | 91016 |
| 19 | 96096 |
| 20 | 98086 |
| 21 | 99066 |
| 22 | 1110111 |
| 23 | 1160911 |
| 24 | 1180811 |
| 25 | 1190611 |
| 26 | 1610191 |
| 27 | 1660991 |
| 28 | 1680891 |
| 29 | 1690691 |
| 30 | 1810181 |
| 31 | 1860981 |