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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 3 |
| 9 | 3 |
| 10 | 6 |
| 11 | 6 |
| 12 | 2 |
| 13 | 5 |
| 14 | 13 |
| 15 | 5 |
| 16 | -8 |
| 17 | 17 |
| 18 | 38 |
| 19 | -28 |
| 20 | -46 |
| 21 | 119 |
| 22 | 88 |
| 23 | -290 |
| 24 | -42 |
| 25 | 763 |
| 26 | -208 |
| 27 | -1738 |
| 28 | 1363 |
| 29 | 3727 |
| 30 | -5084 |
| 31 | -6907 |
| 32 | 16043 |
| 33 | 9959 |
| 34 | -45166 |
| 35 | -4025 |
| 36 | 116799 |
| 37 | -44571 |
| 38 | -277503 |
| 39 | 244975 |
| 40 | 597094 |
| 41 | -912129 |
| 42 | -1108463 |
| 43 | 2880463 |
| 44 | 1505334 |
| 45 | -8180133 |
| 46 | -30884 |