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 | 1 |
| 2 | 5 |
| 3 | 15 |
| 4 | 25 |
| 5 | 55 |
| 6 | 75 |
| 7 | 140 |
| 8 | 175 |
| 9 | 225 |
| 10 | 275 |
| 11 | 448 |
| 12 | 504 |
| 13 | 770 |
| 14 | 882 |
| 15 | 1022 |
| 16 | 1134 |
| 17 | 1626 |
| 18 | 1782 |
| 19 | 2460 |
| 20 | 2670 |
| 21 | 2970 |
| 22 | 3270 |
| 23 | 4345 |
| 24 | 4565 |
| 25 | 5135 |
| 26 | 5585 |
| 27 | 6100 |
| 28 | 6505 |
| 29 | 8338 |
| 30 | 8679 |
| 31 | 10927 |
| 32 | 11525 |
| 33 | 12393 |
| 34 | 13261 |
| 35 | 14345 |
| 36 | 14787 |
| 37 | 18187 |
| 38 | 19344 |
| 39 | 20618 |
| 40 | 21346 |
| 41 | 25823 |
| 42 | 26698 |