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 | 3 |
| 2 | 18 |
| 3 | 57 |
| 4 | 132 |
| 5 | 255 |
| 6 | 438 |
| 7 | 693 |
| 8 | 1032 |
| 9 | 1467 |
| 10 | 2010 |
| 11 | 2673 |
| 12 | 3468 |
| 13 | 4407 |
| 14 | 5502 |
| 15 | 6765 |
| 16 | 8208 |
| 17 | 9843 |
| 18 | 11682 |
| 19 | 13737 |
| 20 | 16020 |
| 21 | 18543 |
| 22 | 21318 |
| 23 | 24357 |
| 24 | 27672 |
| 25 | 31275 |
| 26 | 35178 |
| 27 | 39393 |
| 28 | 43932 |
| 29 | 48807 |
| 30 | 54030 |
| 31 | 59613 |
| 32 | 65568 |
| 33 | 71907 |
| 34 | 78642 |
| 35 | 85785 |
| 36 | 93348 |
| 37 | 101343 |
| 38 | 109782 |