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 | -1 |
| 2 | -2 |
| 3 | -2 |
| 4 | 0 |
| 5 | 3 |
| 6 | 8 |
| 7 | 11 |
| 8 | 9 |
| 9 | 8 |
| 10 | -10 |
| 11 | -31 |
| 12 | -57 |
| 13 | -58 |
| 14 | -107 |
| 15 | -85 |
| 16 | -4 |
| 17 | 120 |
| 18 | 167 |
| 19 | 383 |
| 20 | 616 |
| 21 | 905 |
| 22 | 948 |
| 23 | 479 |
| 24 | -82 |
| 25 | -125 |
| 26 | -905 |
| 27 | -3661 |
| 28 | -5937 |
| 29 | -8247 |
| 30 | -8807 |
| 31 | -7756 |
| 32 | -6249 |
| 33 | -8147 |
| 34 | -3525 |
| 35 | 8330 |
| 36 | 30748 |
| 37 | 54740 |
| 38 | 82660 |
| 39 | 85406 |
| 40 | 86083 |
| 41 | 109681 |
| 42 | 148897 |
| 43 | 148077 |
| 44 | 81288 |
| 45 | -57885 |
| 46 | -257092 |
| 47 | -490304 |