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 | 13 |
| 2 | 41 |
| 3 | 93 |
| 4 | 169 |
| 5 | 269 |
| 6 | 393 |
| 7 | 541 |
| 8 | 713 |
| 9 | 909 |
| 10 | 1129 |
| 11 | 1373 |
| 12 | 1641 |
| 13 | 1933 |
| 14 | 2249 |
| 15 | 2589 |
| 16 | 2953 |
| 17 | 3341 |
| 18 | 3753 |
| 19 | 4189 |
| 20 | 4649 |
| 21 | 5133 |
| 22 | 5641 |
| 23 | 6173 |
| 24 | 6729 |
| 25 | 7309 |
| 26 | 7913 |
| 27 | 8541 |
| 28 | 9193 |
| 29 | 9869 |
| 30 | 10569 |
| 31 | 11293 |
| 32 | 12041 |
| 33 | 12813 |
| 34 | 13609 |
| 35 | 14429 |
| 36 | 15273 |
| 37 | 16141 |
| 38 | 17033 |
| 39 | 17949 |
| 40 | 18889 |