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 | 5 |
| 3 | -4 |
| 4 | 28 |
| 5 | 3 |
| 6 | -33 |
| 7 | -82 |
| 8 | 174 |
| 9 | 174 |
| 10 | 74 |
| 11 | -47 |
| 12 | -335 |
| 13 | -504 |
| 14 | -700 |
| 15 | -475 |
| 16 | 1573 |
| 17 | 1284 |
| 18 | 1284 |
| 19 | 923 |
| 20 | 123 |
| 21 | 564 |
| 22 | 80 |
| 23 | -449 |
| 24 | -2753 |
| 25 | -2753 |
| 26 | -3429 |
| 27 | -3429 |
| 28 | -4997 |
| 29 | -5838 |
| 30 | -4938 |
| 31 | -5899 |
| 32 | 10485 |
| 33 | 11574 |
| 34 | 10418 |
| 35 | 11643 |
| 36 | 11643 |
| 37 | 10274 |
| 38 | 8830 |
| 39 | 10351 |
| 40 | 3951 |
| 41 | 2270 |
| 42 | 4034 |
| 43 | 2185 |
| 44 | -1687 |
| 45 | -1687 |
| 46 | -3803 |