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 | -6 |
| 2 | 8 |
| 3 | 16 |
| 4 | -38 |
| 5 | -16 |
| 6 | 48 |
| 7 | 64 |
| 8 | -56 |
| 9 | -150 |
| 10 | 112 |
| 11 | 112 |
| 12 | -112 |
| 13 | -80 |
| 14 | 160 |
| 15 | 192 |
| 16 | -294 |
| 17 | -288 |
| 18 | 248 |
| 19 | 304 |
| 20 | -272 |
| 21 | -160 |
| 22 | 368 |
| 23 | 320 |
| 24 | -336 |
| 25 | -726 |
| 26 | 400 |
| 27 | 448 |
| 28 | -448 |
| 29 | -240 |
| 30 | 544 |
| 31 | 640 |
| 32 | -568 |
| 33 | -864 |
| 34 | 736 |
| 35 | 608 |
| 36 | -950 |
| 37 | -400 |
| 38 | 656 |
| 39 | 832 |
| 40 | -784 |
| 41 | -1152 |
| 42 | 864 |
| 43 | 1008 |
| 44 | -784 |
| 45 | -496 |
| 46 | 1184 |
| 47 | 896 |
| 48 | -1136 |