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 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 0 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 8 |
| 10 | 8 |
| 11 | 14 |
| 12 | 14 |
| 13 | 20 |
| 14 | 44 |
| 15 | 50 |
| 16 | 74 |
| 17 | 104 |
| 18 | 128 |
| 19 | 158 |
| 20 | 326 |
| 21 | 356 |
| 22 | 524 |
| 23 | 698 |
| 24 | 986 |
| 25 | 1160 |
| 26 | 1592 |
| 27 | 2606 |
| 28 | 3158 |
| 29 | 4316 |
| 30 | 5708 |
| 31 | 7706 |
| 32 | 10082 |
| 33 | 12920 |
| 34 | 16136 |
| 35 | 25718 |
| 36 | 30614 |
| 37 | 41756 |
| 38 | 53396 |
| 39 | 71978 |
| 40 | 91058 |
| 41 | 122144 |
| 42 | 149384 |
| 43 | 193670 |
| 44 | 279614 |
| 45 | 342860 |
| 46 | 447764 |
| 47 | 581234 |