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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | -2 |
| 7 | -1 |
| 8 | 1 |
| 9 | 4 |
| 10 | -5 |
| 11 | -7 |
| 12 | -8 |
| 13 | -7 |
| 14 | -3 |
| 15 | 16 |
| 16 | 11 |
| 17 | 4 |
| 18 | -4 |
| 19 | -11 |
| 20 | -14 |
| 21 | 61 |
| 22 | 77 |
| 23 | 88 |
| 24 | 92 |
| 25 | 88 |
| 26 | 77 |
| 27 | 63 |
| 28 | -272 |
| 29 | -211 |
| 30 | -134 |
| 31 | -46 |
| 32 | 46 |
| 33 | 134 |
| 34 | 211 |
| 35 | 274 |
| 36 | -1385 |
| 37 | -1657 |
| 38 | -1868 |
| 39 | -2002 |
| 40 | -2048 |
| 41 | -2002 |
| 42 | -1868 |
| 43 | -1657 |
| 44 | -1383 |
| 45 | 7936 |
| 46 | 6551 |
| 47 | 4894 |
| 48 | 3026 |
| 49 | 1024 |
| 50 | -1024 |
| 51 | -3026 |
| 52 | -4894 |
| 53 | -6551 |
| 54 | -7934 |
| 55 | 50521 |
| 56 | 58457 |
| 57 | 65008 |
| 58 | 69902 |
| 59 | 72928 |
| 60 | 73952 |
| 61 | 72928 |
| 62 | 69902 |
| 63 | 65008 |
| 64 | 58457 |
| 65 | 50523 |