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 | -3 |
| 2 | 1 |
| 3 | 2 |
| 4 | -5 |
| 5 | 1 |
| 6 | -2 |
| 7 | 10 |
| 8 | -7 |
| 9 | 1 |
| 10 | 2 |
| 11 | -14 |
| 12 | 22 |
| 13 | -9 |
| 14 | 1 |
| 15 | -2 |
| 16 | 18 |
| 17 | -46 |
| 18 | 38 |
| 19 | -11 |
| 20 | 1 |
| 21 | 2 |
| 22 | -22 |
| 23 | 78 |
| 24 | -106 |
| 25 | 58 |
| 26 | -13 |
| 27 | 1 |
| 28 | -2 |
| 29 | 26 |
| 30 | -118 |
| 31 | 230 |
| 32 | -202 |
| 33 | 82 |
| 34 | -15 |
| 35 | 1 |
| 36 | 2 |
| 37 | -30 |
| 38 | 166 |
| 39 | -426 |
| 40 | 538 |
| 41 | -342 |
| 42 | 110 |
| 43 | -17 |
| 44 | 1 |
| 45 | -2 |
| 46 | 34 |
| 47 | -222 |
| 48 | 710 |
| 49 | -1194 |
| 50 | 1082 |
| 51 | -534 |
| 52 | 142 |
| 53 | -19 |
| 54 | 1 |
| 55 | 2 |
| 56 | -38 |
| 57 | 286 |
| 58 | -1098 |
| 59 | 2330 |
| 60 | -2814 |
| 61 | 1958 |
| 62 | -786 |
| 63 | 178 |
| 64 | -21 |
| 65 | 1 |