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 | 2 |
| 2 | -5 |
| 3 | -46 |
| 4 | -119 |
| 5 | 122 |
| 6 | 2035 |
| 7 | 6554 |
| 8 | -239 |
| 9 | -86158 |
| 10 | -341525 |
| 11 | -246046 |
| 12 | 3455641 |
| 13 | 17021162 |
| 14 | 23161315 |
| 15 | -128629846 |
| 16 | -815616479 |
| 17 | -1590277918 |
| 18 | 4241902555 |
| 19 | 37641223154 |
| 20 | 95420159401 |
| 21 | -107655263398 |
| 22 | -1671083125805 |
| 23 | -5284814079046 |
| 24 | 584824319281 |