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 | 5 |
| 2 | 7 |
| 3 | 9 |
| 4 | 13 |
| 5 | 33 |
| 6 | 37 |
| 7 | 57 |
| 8 | 63 |
| 9 | 93 |
| 10 | 127 |
| 11 | 129 |
| 12 | 165 |
| 13 | 189 |
| 14 | 369 |
| 15 | 717 |
| 16 | 3079 |
| 17 | 3087 |
| 18 | 3925 |
| 19 | 6709 |
| 20 | 7633 |
| 21 | 18001 |
| 22 | 21961 |
| 23 | 55557 |
| 24 | 60415 |
| 25 | 63589 |
| 26 | 69463 |
| 27 | 75949 |
| 28 | 98265 |
| 29 | 212295 |
| 30 | 416773 |
| 31 | 647545 |
| 32 | 824325 |
| 33 | 1538959 |
| 34 | 2020893 |
| 35 | 2421175 |