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 | 457 |
| 2 | -344 |
| 3 | 68 |
| 4 | 304 |
| 5 | -580 |
| 6 | 584 |
| 7 | -338 |
| 8 | 58 |
| 9 | 84 |
| 10 | -154 |
| 11 | 308 |
| 12 | -502 |
| 13 | 512 |
| 14 | -232 |
| 15 | -178 |
| 16 | 448 |
| 17 | -426 |
| 18 | 172 |
| 19 | 88 |
| 20 | -130 |
| 21 | -52 |
| 22 | 204 |
| 23 | -24 |
| 24 | -540 |
| 25 | 1170 |
| 26 | -1482 |
| 27 | 1478 |
| 28 | -1454 |
| 29 | 1488 |
| 30 | -1352 |
| 31 | 914 |
| 32 | -352 |
| 33 | -28 |
| 34 | 28 |
| 35 | 350 |
| 36 | -898 |
| 37 | 1296 |
| 38 | -1366 |
| 39 | 1228 |
| 40 | -1042 |
| 41 | 734 |
| 42 | -262 |
| 43 | -114 |
| 44 | 210 |
| 45 | -254 |
| 46 | 516 |
| 47 | -888 |