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 | 509 |
| 2 | 809 |
| 3 | 12011 |
| 4 | 12041 |
| 5 | 13049 |
| 6 | 14081 |
| 7 | 16091 |
| 8 | 18041 |
| 9 | 21011 |
| 10 | 21089 |
| 11 | 22013 |
| 12 | 22079 |
| 13 | 23099 |
| 14 | 25073 |
| 15 | 28019 |
| 16 | 29021 |
| 17 | 29033 |
| 18 | 31019 |
| 19 | 33023 |
| 20 | 33053 |
| 21 | 35069 |
| 22 | 35081 |
| 23 | 35099 |
| 24 | 36083 |
| 25 | 37013 |
| 26 | 37049 |
| 27 | 38039 |
| 28 | 39089 |
| 29 | 41081 |
| 30 | 42023 |
| 31 | 42071 |
| 32 | 42089 |
| 33 | 43013 |