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 | 5 |
| 1 | 0 |
| 2 | 0 |
| 3 | -3 |
| 4 | 0 |
| 5 | 5 |
| 6 | 3 |
| 7 | 0 |
| 8 | -8 |
| 9 | -3 |
| 10 | 5 |
| 11 | 11 |
| 12 | 3 |
| 13 | -13 |
| 14 | -14 |
| 15 | 2 |
| 16 | 24 |
| 17 | 17 |
| 18 | -15 |
| 19 | -38 |
| 20 | -15 |
| 21 | 39 |
| 22 | 55 |
| 23 | 0 |
| 24 | -77 |
| 25 | -70 |
| 26 | 39 |
| 27 | 132 |
| 28 | 70 |
| 29 | -116 |
| 30 | -202 |
| 31 | -31 |
| 32 | 248 |
| 33 | 272 |
| 34 | -85 |
| 35 | -450 |
| 36 | -303 |
| 37 | 333 |
| 38 | 722 |
| 39 | 218 |
| 40 | -783 |
| 41 | -1025 |
| 42 | 115 |
| 43 | 1505 |
| 44 | 1243 |
| 45 | -898 |
| 46 | -2530 |
| 47 | -1128 |
| 48 | 2403 |
| 49 | 3773 |
| 50 | 230 |
| 51 | -4933 |
| 52 | -4901 |
| 53 | 2173 |
| 54 | 8706 |
| 55 | 5131 |
| 56 | -7106 |
| 57 | -13607 |