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 | -33 |
| 3 | -244 |
| 4 | 32 |
| 5 | -3126 |
| 6 | 8052 |
| 7 | -16808 |
| 8 | 0 |
| 9 | 243 |
| 10 | 103158 |
| 11 | -161052 |
| 12 | -7808 |
| 13 | -371294 |
| 14 | 554664 |
| 15 | 762744 |
| 16 | 0 |
| 17 | -1419858 |
| 18 | -8019 |
| 19 | -2476100 |
| 20 | -100032 |
| 21 | 4101152 |
| 22 | 5314716 |
| 23 | -6436344 |
| 24 | 0 |
| 25 | 3125 |
| 26 | 12252702 |
| 27 | 0 |
| 28 | -537856 |
| 29 | -20511150 |
| 30 | -25170552 |
| 31 | -28629152 |
| 32 | 0 |
| 33 | 39296688 |
| 34 | 46855314 |
| 35 | 52541808 |