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 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 30 |
| 5 | 65 |
| 6 | 125 |
| 7 | 216 |
| 8 | 344 |
| 9 | 533 |
| 10 | 793 |
| 11 | 1134 |
| 12 | 1566 |
| 13 | 2125 |
| 14 | 2825 |
| 15 | 3680 |
| 16 | 4704 |
| 17 | 5945 |
| 18 | 7421 |
| 19 | 9150 |
| 20 | 11150 |
| 21 | 13481 |
| 22 | 16165 |
| 23 | 19224 |
| 24 | 22680 |
| 25 | 26605 |
| 26 | 31025 |
| 27 | 35966 |
| 28 | 41454 |
| 29 | 47573 |
| 30 | 54353 |
| 31 | 61824 |
| 32 | 70016 |
| 33 | 79025 |
| 34 | 88885 |
| 35 | 99630 |
| 36 | 111294 |
| 37 | 123985 |
| 38 | 137741 |
| 39 | 152600 |
| 40 | 168600 |
| 41 | 185861 |