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 | 1 |
| 1 | -2 |
| 2 | 1 |
| 3 | 3 |
| 4 | 0 |
| 5 | 1 |
| 6 | -8 |
| 7 | -4 |
| 8 | -4 |
| 9 | 1 |
| 10 | 15 |
| 11 | 10 |
| 12 | 10 |
| 13 | 0 |
| 14 | 1 |
| 15 | -36 |
| 16 | -30 |
| 17 | -36 |
| 18 | -12 |
| 19 | -6 |
| 20 | 1 |
| 21 | 77 |
| 22 | 70 |
| 23 | 91 |
| 24 | 42 |
| 25 | 21 |
| 26 | 0 |
| 27 | 1 |
| 28 | -192 |
| 29 | -184 |
| 30 | -256 |
| 31 | -152 |
| 32 | -96 |
| 33 | -24 |
| 34 | -8 |
| 35 | 1 |
| 36 | 459 |
| 37 | 450 |
| 38 | 648 |
| 39 | 432 |
| 40 | 306 |
| 41 | 108 |
| 42 | 36 |
| 43 | 0 |
| 44 | 1 |
| 45 | -1220 |
| 46 | -1210 |
| 47 | -1780 |
| 48 | -1280 |
| 49 | -1000 |
| 50 | -460 |
| 51 | -200 |
| 52 | -40 |
| 53 | -10 |
| 54 | 1 |
| 55 | 3201 |
| 56 | 3190 |
| 57 | 4741 |
| 58 | 3542 |
| 59 | 2926 |
| 60 | 1540 |
| 61 | 770 |
| 62 | 220 |
| 63 | 55 |
| 64 | 0 |
| 65 | 1 |