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) |
|---|---|
| 11 | 1 |
| 12 | -11 |
| 13 | 55 |
| 14 | -165 |
| 15 | 319 |
| 16 | -352 |
| 17 | -44 |
| 18 | 1100 |
| 19 | -2585 |
| 20 | 3542 |
| 21 | -2519 |
| 22 | -1530 |
| 23 | 8085 |
| 24 | -14410 |
| 25 | 16170 |
| 26 | -9460 |
| 27 | -6644 |
| 28 | 28105 |
| 29 | -46145 |
| 30 | 50248 |
| 31 | -32802 |
| 32 | -6193 |
| 33 | 57200 |
| 34 | -102575 |
| 35 | 121968 |
| 36 | -100397 |
| 37 | 35123 |
| 38 | 60390 |
| 39 | -158840 |
| 40 | 226413 |
| 41 | -234344 |
| 42 | 168773 |
| 43 | -37070 |
| 44 | -131175 |
| 45 | 290851 |
| 46 | -391402 |