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 | 0 |
| 2 | 3 |
| 3 | -2 |
| 4 | 28 |
| 5 | -8 |
| 6 | 4 |
| 7 | -26 |
| 8 | 44 |
| 9 | 108 |
| 10 | 12 |
| 11 | -62 |
| 12 | 52 |
| 13 | -102 |
| 14 | -14 |
| 15 | -32 |
| 16 | 862 |
| 17 | -184 |
| 18 | 504 |
| 19 | -282 |
| 20 | 96 |
| 21 | -104 |
| 22 | -22 |
| 23 | -402 |
| 24 | 80 |
| 25 | 690 |
| 26 | -12 |
| 27 | -96 |
| 28 | 60 |
| 29 | -596 |
| 30 | 48 |
| 31 | -854 |
| 32 | 704 |
| 33 | -248 |
| 34 | -64 |
| 35 | -328 |
| 36 | 3912 |
| 37 | -810 |
| 38 | -210 |
| 39 | -408 |
| 40 | 240 |
| 41 | -1360 |
| 42 | -56 |
| 43 | -1582 |
| 44 | 100 |
| 45 | 240 |
| 46 | -322 |
| 47 | -1946 |
| 48 | 1708 |
| 49 | 174 |
| 50 | 3300 |
| 51 | -736 |
| 52 | 786 |
| 53 | -2300 |
| 54 | 48 |
| 55 | -744 |
| 56 | 72 |
| 57 | -1128 |
| 58 | -356 |
| 59 | -2978 |
| 60 | 384 |