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 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 3 |
| 5 | 1 |
| 6 | 0 |
| 7 | 5 |
| 8 | 6 |
| 9 | 1 |
| 10 | 0 |
| 11 | 7 |
| 12 | 20 |
| 13 | 9 |
| 14 | 1 |
| 15 | 0 |
| 16 | 9 |
| 17 | 56 |
| 18 | 45 |
| 19 | 12 |
| 20 | 1 |
| 21 | 0 |
| 22 | 11 |
| 23 | 144 |
| 24 | 189 |
| 25 | 80 |
| 26 | 15 |
| 27 | 1 |
| 28 | 0 |
| 29 | 13 |
| 30 | 352 |
| 31 | 729 |
| 32 | 448 |
| 33 | 125 |
| 34 | 18 |
| 35 | 1 |
| 36 | 0 |
| 37 | 15 |
| 38 | 832 |
| 39 | 2673 |
| 40 | 2304 |
| 41 | 875 |
| 42 | 180 |
| 43 | 21 |
| 44 | 1 |
| 45 | 0 |
| 46 | 17 |
| 47 | 1920 |
| 48 | 9477 |
| 49 | 11264 |
| 50 | 5625 |
| 51 | 1512 |
| 52 | 245 |
| 53 | 24 |
| 54 | 1 |
| 55 | 0 |
| 56 | 19 |
| 57 | 4352 |
| 58 | 32805 |
| 59 | 53248 |
| 60 | 34375 |
| 61 | 11664 |
| 62 | 2401 |
| 63 | 320 |
| 64 | 27 |
| 65 | 1 |