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 | 10301 |
| 8 | 10501 |
| 9 | 10601 |
| 10 | 11311 |
| 11 | 11411 |
| 12 | 12421 |
| 13 | 12721 |
| 14 | 12821 |
| 15 | 13331 |
| 16 | 13831 |
| 17 | 13931 |
| 18 | 14341 |
| 19 | 14741 |
| 20 | 15451 |
| 21 | 15551 |
| 22 | 16061 |
| 23 | 16361 |
| 24 | 16561 |
| 25 | 16661 |
| 26 | 17471 |
| 27 | 17971 |
| 28 | 18181 |
| 29 | 18481 |
| 30 | 19391 |
| 31 | 19891 |
| 32 | 19991 |
| 33 | 1003001 |
| 34 | 1008001 |
| 35 | 1022201 |
| 36 | 1028201 |
| 37 | 1035301 |
| 38 | 1043401 |