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 | -19 |
| 3 | 91 |
| 4 | -179 |
| 5 | 126 |
| 6 | -1 |
| 7 | 344 |
| 8 | -1459 |
| 9 | 2521 |
| 10 | -2394 |
| 11 | 1332 |
| 12 | -737 |
| 13 | 2198 |
| 14 | -6536 |
| 15 | 11466 |
| 16 | -11699 |
| 17 | 4914 |
| 18 | 485 |
| 19 | 6860 |
| 20 | -22554 |
| 21 | 31304 |
| 22 | -25308 |
| 23 | 12168 |
| 24 | -6625 |
| 25 | 15751 |
| 26 | -41762 |
| 27 | 68131 |
| 28 | -61576 |
| 29 | 24390 |
| 30 | -126 |
| 31 | 29792 |
| 32 | -93619 |
| 33 | 121212 |
| 34 | -93366 |
| 35 | 43344 |
| 36 | -15803 |
| 37 | 50654 |
| 38 | -130340 |