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 | 6 |
| 2 | 21 |
| 3 | 36 |
| 4 | 66 |
| 5 | 91 |
| 6 | 136 |
| 7 | 171 |
| 8 | 351 |
| 9 | 496 |
| 10 | 561 |
| 11 | 741 |
| 12 | 946 |
| 13 | 1176 |
| 14 | 1326 |
| 15 | 1596 |
| 16 | 2016 |
| 17 | 2346 |
| 18 | 2701 |
| 19 | 2926 |
| 20 | 3321 |
| 21 | 3486 |
| 22 | 4851 |
| 23 | 6216 |
| 24 | 6441 |
| 25 | 7626 |
| 26 | 8646 |
| 27 | 8911 |
| 28 | 9591 |
| 29 | 10011 |
| 30 | 10296 |
| 31 | 11026 |
| 32 | 11476 |
| 33 | 13041 |
| 34 | 15051 |
| 35 | 16471 |
| 36 | 16836 |
| 37 | 17391 |
| 38 | 18336 |
| 39 | 19701 |
| 40 | 21736 |