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 | 4 |
| 5 | 0 |
| 6 | 22 |
| 7 | 0 |
| 8 | 4 |
| 9 | 18 |
| 10 | 54 |
| 11 | 0 |
| 12 | 122 |
| 13 | 0 |
| 14 | 102 |
| 15 | 43 |
| 16 | 68 |
| 17 | 0 |
| 18 | 274 |
| 19 | 0 |
| 20 | 18 |
| 21 | 361 |
| 22 | 246 |
| 23 | 0 |
| 24 | 538 |
| 25 | 250 |
| 26 | 342 |
| 27 | 504 |
| 28 | 166 |
| 29 | 0 |
| 30 | 722 |
| 31 | 0 |
| 32 | 580 |
| 33 | 865 |
| 34 | 582 |
| 35 | 5 |
| 36 | 50 |
| 37 | 0 |
| 38 | 726 |
| 39 | 18 |
| 40 | 818 |
| 41 | 0 |
| 42 | 1510 |
| 43 | 0 |
| 44 | 310 |
| 45 | 493 |
| 46 | 1062 |
| 47 | 0 |
| 48 | 538 |
| 49 | 1029 |
| 50 | 2254 |
| 51 | 2041 |
| 52 | 406 |
| 53 | 0 |
| 54 | 922 |
| 55 | 855 |
| 56 | 1206 |
| 57 | 379 |
| 58 | 1686 |
| 59 | 0 |
| 60 | 3454 |
| 61 | 0 |
| 62 | 1926 |
| 63 | 3538 |
| 64 | 580 |
| 65 | 3123 |
| 66 | 922 |
| 67 | 0 |
| 68 | 4114 |
| 69 | 547 |
| 70 | 1298 |
| 71 | 0 |
| 72 | 4930 |
| 73 | 0 |
| 74 | 2742 |
| 75 | 2518 |
| 76 | 790 |
| 77 | 3309 |
| 78 | 2950 |
| 79 | 0 |