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) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 6 |
| 7 | 1 |
| 8 | 1 |
| 9 | 16 |
| 10 | 1 |
| 11 | 1 |
| 12 | 22 |
| 13 | 1 |
| 14 | 1 |
| 15 | 71 |
| 16 | -63 |
| 17 | 1 |
| 18 | 127 |
| 19 | 1 |
| 20 | -158 |
| 21 | 211 |
| 22 | 1 |
| 23 | 1 |
| 24 | -117 |
| 25 | 176 |
| 26 | 1 |
| 27 | 496 |
| 28 | -923 |
| 29 | 1 |
| 30 | 1277 |
| 31 | 1 |
| 32 | -1727 |
| 33 | 1002 |
| 34 | 1 |
| 35 | 1681 |
| 36 | -2021 |
| 37 | 1 |
| 38 | 1 |
| 39 | 1821 |
| 40 | -1027 |
| 41 | 1 |
| 42 | 912 |
| 43 | 1 |
| 44 | -7721 |
| 45 | 11146 |
| 46 | 1 |
| 47 | 1 |
| 48 | -12571 |
| 49 | 736 |
| 50 | 15401 |
| 51 | 4846 |
| 52 | -17016 |
| 53 | 1 |
| 54 | -6389 |
| 55 | 27457 |
| 56 | -20956 |
| 57 | 7316 |
| 58 | 1 |
| 59 | 1 |
| 60 | -6486 |
| 61 | 1 |
| 62 | 1 |
| 63 | 22177 |