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 | -13 |
| 2 | -103 |
| 3 | 486 |
| 4 | 430 |
| 5 | 1260 |
| 6 | -4188 |
| 7 | -1896 |
| 8 | -2839 |
| 9 | -29074 |
| 10 | 4870 |
| 11 | 3701 |
| 12 | 5978 |
| 13 | -36411 |
| 14 | -4779 |
| 15 | -3527 |
| 16 | -5007 |
| 17 | 38056 |
| 18 | 3253 |
| 19 | 1985 |
| 20 | 2144 |
| 21 | 9575 |
| 22 | -1846 |
| 23 | -803 |
| 24 | -629 |
| 25 | -930 |
| 26 | 1522 |
| 27 | 287 |
| 28 | 156 |
| 29 | 135 |
| 30 | 281 |
| 31 | -133 |
| 32 | -38 |
| 33 | -22 |
| 34 | -19 |
| 35 | -49 |
| 36 | 13 |
| 37 | 4 |
| 38 | 2 |
| 39 | 1 |
| 40 | 4 |
| 41 | -1 |
| 42 | -1 |
| 43 | -3 |
| 44 | -5 |
| 45 | -13 |
| 46 | 1 |
| 47 | 25 |
| 48 | 1 |
| 49 | 1 |
| 50 | 1 |
| 51 | -5 |
| 52 | -5 |
| 53 | -1 |
| 54 | -2 |
| 55 | -7 |
| 56 | -3 |
| 57 | 3 |
| 58 | 2 |
| 59 | 3 |
| 60 | 3 |
| 61 | 1 |
| 62 | 1 |
| 63 | -1 |