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 | -8 |
| 1 | 8 |
| 2 | -8 |
| 3 | 16 |
| 4 | -24 |
| 5 | 24 |
| 6 | -24 |
| 7 | 32 |
| 8 | -40 |
| 9 | 40 |
| 10 | -40 |
| 11 | 48 |
| 12 | -56 |
| 13 | 56 |
| 14 | -56 |
| 15 | 64 |
| 16 | -72 |
| 17 | 72 |
| 18 | -72 |
| 19 | 80 |
| 20 | -88 |
| 21 | 88 |
| 22 | -88 |
| 23 | 96 |
| 24 | -104 |
| 25 | 104 |
| 26 | -104 |
| 27 | 112 |
| 28 | -120 |
| 29 | 120 |
| 30 | -120 |
| 31 | 128 |
| 32 | -136 |
| 33 | 136 |
| 34 | -136 |
| 35 | 144 |
| 36 | -152 |
| 37 | 152 |
| 38 | -152 |
| 39 | 160 |
| 40 | -168 |
| 41 | 168 |
| 42 | -168 |
| 43 | 176 |
| 44 | -184 |
| 45 | 184 |
| 46 | -184 |
| 47 | 192 |
| 48 | -200 |
| 49 | 200 |
| 50 | -200 |
| 51 | 208 |