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 | 14 |
| 3 | 63 |
| 4 | 184 |
| 5 | 425 |
| 6 | 846 |
| 7 | 1519 |
| 8 | 2528 |
| 9 | 3969 |
| 10 | 5950 |
| 11 | 8591 |
| 12 | 12024 |
| 13 | 16393 |
| 14 | 21854 |
| 15 | 28575 |
| 16 | 36736 |
| 17 | 46529 |
| 18 | 58158 |
| 19 | 71839 |
| 20 | 87800 |
| 21 | 106281 |
| 22 | 127534 |
| 23 | 151823 |
| 24 | 179424 |
| 25 | 210625 |
| 26 | 245726 |
| 27 | 285039 |
| 28 | 328888 |
| 29 | 377609 |
| 30 | 431550 |
| 31 | 491071 |
| 32 | 556544 |
| 33 | 628353 |
| 34 | 706894 |
| 35 | 792575 |
| 36 | 885816 |
| 37 | 987049 |
| 38 | 1096718 |
| 39 | 1215279 |
| 40 | 1343200 |