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 | 11 |
| 2 | 101 |
| 3 | 131 |
| 4 | 151 |
| 5 | 181 |
| 6 | 191 |
| 7 | 313 |
| 8 | 10301 |
| 9 | 10501 |
| 10 | 10601 |
| 11 | 11311 |
| 12 | 11411 |
| 13 | 16061 |
| 14 | 30103 |
| 15 | 30203 |
| 16 | 30403 |
| 17 | 30703 |
| 18 | 30803 |
| 19 | 31013 |
| 20 | 35053 |
| 21 | 38083 |
| 22 | 70207 |
| 23 | 70507 |
| 24 | 70607 |
| 25 | 73037 |
| 26 | 74047 |
| 27 | 90709 |
| 28 | 91019 |
| 29 | 94049 |
| 30 | 1003001 |
| 31 | 1008001 |
| 32 | 1022201 |
| 33 | 1028201 |
| 34 | 1035301 |