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 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 7 |
| 8 | 4 |
| 9 | 12 |
| 10 | 25 |
| 11 | 22 |
| 12 | 25 |
| 13 | 39 |
| 14 | 49 |
| 15 | 68 |
| 16 | 100 |
| 17 | 119 |
| 18 | 144 |
| 19 | 209 |
| 20 | 289 |
| 21 | 367 |
| 22 | 484 |
| 23 | 644 |
| 24 | 841 |
| 25 | 1130 |
| 26 | 1521 |
| 27 | 1983 |
| 28 | 2601 |
| 29 | 3480 |
| 30 | 4624 |
| 31 | 6107 |
| 32 | 8100 |
| 33 | 10717 |
| 34 | 14161 |
| 35 | 18807 |
| 36 | 24964 |
| 37 | 33004 |
| 38 | 43681 |
| 39 | 57918 |
| 40 | 76729 |
| 41 | 101639 |
| 42 | 134689 |
| 43 | 178364 |
| 44 | 236196 |
| 45 | 313007 |
| 46 | 414736 |
| 47 | 549289 |