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 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | -5 |
| 4 | -1 |
| 5 | 4 |
| 6 | -15 |
| 7 | -8 |
| 8 | 0 |
| 9 | 25 |
| 10 | 35 |
| 11 | 46 |
| 12 | 5 |
| 13 | 18 |
| 14 | 32 |
| 15 | -20 |
| 16 | -4 |
| 17 | 13 |
| 18 | 75 |
| 19 | 94 |
| 20 | 114 |
| 21 | 40 |
| 22 | 62 |
| 23 | 85 |
| 24 | 0 |
| 25 | 25 |
| 26 | 51 |
| 27 | -125 |
| 28 | -97 |
| 29 | -68 |
| 30 | -175 |
| 31 | -144 |
| 32 | -112 |
| 33 | -230 |
| 34 | -196 |
| 35 | -161 |
| 36 | -25 |
| 37 | 12 |
| 38 | 50 |
| 39 | -90 |
| 40 | -50 |
| 41 | -9 |
| 42 | -160 |
| 43 | -117 |
| 44 | -73 |
| 45 | 100 |
| 46 | 146 |
| 47 | 193 |
| 48 | 20 |
| 49 | 69 |
| 50 | 119 |
| 51 | -65 |
| 52 | -13 |
| 53 | 40 |
| 54 | -375 |
| 55 | -320 |
| 56 | -264 |
| 57 | -470 |
| 58 | -412 |
| 59 | -353 |
| 60 | -570 |
| 61 | -509 |
| 62 | -447 |
| 63 | -200 |
| 64 | -136 |
| 65 | -71 |
| 66 | -310 |