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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 2 |
| 9 | 0 |
| 10 | 0 |
| 11 | 2 |
| 12 | 2 |
| 13 | 4 |
| 14 | 10 |
| 15 | 12 |
| 16 | 14 |
| 17 | 28 |
| 18 | 38 |
| 19 | 56 |
| 20 | 84 |
| 21 | 124 |
| 22 | 184 |
| 23 | 264 |
| 24 | 374 |
| 25 | 544 |
| 26 | 836 |
| 27 | 1190 |
| 28 | 1746 |
| 29 | 2544 |
| 30 | 3712 |
| 31 | 5410 |
| 32 | 7890 |
| 33 | 11470 |
| 34 | 16666 |
| 35 | 24436 |
| 36 | 35574 |
| 37 | 51892 |
| 38 | 75552 |
| 39 | 110124 |
| 40 | 160624 |
| 41 | 234162 |
| 42 | 341178 |
| 43 | 497058 |
| 44 | 725026 |
| 45 | 1056630 |
| 46 | 1540158 |
| 47 | 2244566 |
| 48 | 3271600 |