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) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 12 |
| 4 | 40 |
| 5 | 80 |
| 6 | 174 |
| 7 | 273 |
| 8 | 393 |
| 9 | 414 |
| 10 | 546 |
| 11 | 786 |
| 12 | 828 |
| 13 | 1179 |
| 14 | 1242 |
| 15 | 1572 |
| 16 | 1656 |
| 17 | 1870 |
| 18 | 1965 |
| 19 | 3740 |
| 20 | 5460 |
| 21 | 8090 |
| 22 | 12816 |
| 23 | 13254 |
| 24 | 14154 |
| 25 | 16180 |
| 26 | 20710 |
| 27 | 24270 |
| 28 | 25632 |
| 29 | 32360 |
| 30 | 40450 |
| 31 | 81186 |
| 32 | 87841 |
| 33 | 137830 |
| 34 | 142725 |
| 35 | 162372 |
| 36 | 169854 |
| 37 | 175682 |
| 38 | 212078 |
| 39 | 285450 |