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 | -7 |
| 3 | -26 |
| 4 | -7 |
| 5 | -124 |
| 6 | 182 |
| 7 | -342 |
| 8 | -7 |
| 9 | -26 |
| 10 | 868 |
| 11 | -1330 |
| 12 | 182 |
| 13 | -2196 |
| 14 | 2394 |
| 15 | 3224 |
| 16 | -7 |
| 17 | -4912 |
| 18 | 182 |
| 19 | -6858 |
| 20 | 868 |
| 21 | 8892 |
| 22 | 9310 |
| 23 | -12166 |
| 24 | 182 |
| 25 | -124 |
| 26 | 15372 |
| 27 | -26 |
| 28 | 2394 |
| 29 | -24388 |
| 30 | -22568 |
| 31 | -29790 |
| 32 | -7 |
| 33 | 34580 |
| 34 | 34384 |
| 35 | 42408 |
| 36 | 182 |
| 37 | -50652 |
| 38 | 48006 |
| 39 | 57096 |
| 40 | 868 |
| 41 | -68920 |
| 42 | -62244 |
| 43 | -79506 |
| 44 | 9310 |
| 45 | 3224 |
| 46 | 85162 |
| 47 | -103822 |
| 48 | 182 |