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 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 4 |
| 7 | 4 |
| 8 | 5 |
| 9 | 9 |
| 10 | 6 |
| 11 | 8 |
| 12 | 0 |
| 13 | 8 |
| 14 | 16 |
| 15 | 34 |
| 16 | 26 |
| 17 | 76 |
| 18 | 84 |
| 19 | 85 |
| 20 | 41 |
| 21 | 130 |
| 22 | 22 |
| 23 | 96 |
| 24 | 143 |
| 25 | 496 |
| 26 | 289 |
| 27 | 169 |
| 28 | 842 |
| 29 | 140 |
| 30 | 296 |
| 31 | 669 |
| 32 | 2684 |
| 33 | 1449 |
| 34 | 343 |
| 35 | 4096 |
| 36 | 7583 |
| 37 | 592 |
| 38 | 665 |
| 39 | 11682 |
| 40 | 699 |
| 41 | 20452 |
| 42 | 2872 |
| 43 | 22037 |
| 44 | 6477 |
| 45 | 21826 |
| 46 | 17999 |
| 47 | 93009 |
| 48 | 46080 |
| 49 | 31240 |
| 50 | 121681 |
| 51 | 8638 |
| 52 | 317523 |