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 | 7 |
| 3 | 22 |
| 4 | 51 |
| 5 | 97 |
| 6 | 166 |
| 7 | 263 |
| 8 | 391 |
| 9 | 554 |
| 10 | 756 |
| 11 | 1004 |
| 12 | 1303 |
| 13 | 1653 |
| 14 | 2061 |
| 15 | 2530 |
| 16 | 3068 |
| 17 | 3677 |
| 18 | 4362 |
| 19 | 5126 |
| 20 | 5973 |
| 21 | 6912 |
| 22 | 7942 |
| 23 | 9071 |
| 24 | 10304 |
| 25 | 11640 |
| 26 | 13087 |
| 27 | 14649 |
| 28 | 16333 |
| 29 | 18142 |
| 30 | 20078 |
| 31 | 22150 |
| 32 | 24357 |
| 33 | 26707 |
| 34 | 29202 |
| 35 | 31845 |
| 36 | 34649 |
| 37 | 37610 |
| 38 | 40739 |
| 39 | 44031 |