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) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 7 |
| 3 | 18 |
| 4 | 38 |
| 5 | 70 |
| 6 | 117 |
| 7 | 182 |
| 8 | 268 |
| 9 | 378 |
| 10 | 515 |
| 11 | 682 |
| 12 | 882 |
| 13 | 1118 |
| 14 | 1393 |
| 15 | 1710 |
| 16 | 2072 |
| 17 | 2482 |
| 18 | 2943 |
| 19 | 3458 |
| 20 | 4030 |
| 21 | 4662 |
| 22 | 5357 |
| 23 | 6118 |
| 24 | 6948 |
| 25 | 7850 |
| 26 | 8827 |
| 27 | 9882 |
| 28 | 11018 |
| 29 | 12238 |
| 30 | 13545 |
| 31 | 14942 |
| 32 | 16432 |
| 33 | 18018 |
| 34 | 19703 |
| 35 | 21490 |
| 36 | 23382 |
| 37 | 25382 |
| 38 | 27493 |
| 39 | 29718 |
| 40 | 32060 |
| 41 | 34522 |
| 42 | 37107 |
| 43 | 39818 |