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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | -2 |
| 13 | 3 |
| 14 | 0 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | -2 |
| 19 | 4 |
| 20 | 0 |
| 21 | 1 |
| 22 | 1 |
| 23 | -8 |
| 24 | 12 |
| 25 | -4 |
| 26 | 5 |
| 27 | 0 |
| 28 | 1 |
| 29 | 1 |
| 30 | 23 |
| 31 | -51 |
| 32 | 25 |
| 33 | -5 |
| 34 | 6 |
| 35 | 0 |
| 36 | 1 |
| 37 | 1 |
| 38 | -164 |
| 39 | 361 |
| 40 | -192 |
| 41 | 50 |
| 42 | -6 |
| 43 | 7 |
| 44 | 0 |
| 45 | 1 |
| 46 | 1 |
| 47 | 1255 |
| 48 | -2856 |
| 49 | 1630 |
| 50 | -484 |
| 51 | 87 |
| 52 | -7 |
| 53 | 8 |
| 54 | 0 |
| 55 | 1 |
| 56 | 1 |
| 57 | -12108 |
| 58 | 27795 |
| 59 | -16292 |
| 60 | 5065 |
| 61 | -1026 |
| 62 | 140 |
| 63 | -8 |
| 64 | 9 |
| 65 | 0 |
| 66 | 1 |
| 67 | 1 |
| 68 | 136061 |
| 69 | -315068 |
| 70 | 188665 |
| 71 | -60125 |
| 72 | 12604 |
| 73 | -1925 |
| 74 | 212 |
| 75 | -9 |
| 76 | 10 |
| 77 | 0 |
| 78 | 1 |