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 | -14 |
| 2 | 15 |
| 3 | -20 |
| 4 | 8 |
| 5 | -1 |
| 6 | 55 |
| 7 | -170 |
| 8 | 221 |
| 9 | -153 |
| 10 | 59 |
| 11 | -12 |
| 12 | 1 |
| 13 | 115 |
| 14 | -670 |
| 15 | 1773 |
| 16 | -2696 |
| 17 | 2549 |
| 18 | -1538 |
| 19 | 589 |
| 20 | -138 |
| 21 | 18 |
| 22 | -1 |
| 23 | 195 |
| 24 | -1850 |
| 25 | 8215 |
| 26 | -21530 |
| 27 | 36330 |
| 28 | -41110 |
| 29 | 31865 |
| 30 | -17080 |
| 31 | 6314 |
| 32 | -1579 |
| 33 | 255 |
| 34 | -24 |
| 35 | 1 |
| 36 | 295 |
| 37 | -4150 |
| 38 | 27735 |
| 39 | -110795 |
| 40 | 289540 |
| 41 | -518290 |
| 42 | 654595 |
| 43 | -595805 |
| 44 | 396316 |
| 45 | -193906 |
| 46 | 69641 |
| 47 | -18129 |
| 48 | 3327 |
| 49 | -408 |
| 50 | 30 |
| 51 | -1 |