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 | 1 |
| 2 | 1 |
| 3 | -2 |
| 4 | 1 |
| 5 | 4 |
| 6 | -4 |
| 7 | 1 |
| 8 | 1 |
| 9 | -6 |
| 10 | 11 |
| 11 | -6 |
| 12 | 1 |
| 13 | 9 |
| 14 | -24 |
| 15 | 22 |
| 16 | -8 |
| 17 | 1 |
| 18 | 1 |
| 19 | -12 |
| 20 | 46 |
| 21 | -62 |
| 22 | 37 |
| 23 | -10 |
| 24 | 1 |
| 25 | 16 |
| 26 | -80 |
| 27 | 148 |
| 28 | -128 |
| 29 | 56 |
| 30 | -12 |
| 31 | 1 |
| 32 | 1 |
| 33 | -20 |
| 34 | 130 |
| 35 | -314 |
| 36 | 367 |
| 37 | -230 |
| 38 | 79 |
| 39 | -14 |
| 40 | 1 |
| 41 | 25 |
| 42 | -200 |
| 43 | 610 |
| 44 | -920 |
| 45 | 771 |
| 46 | -376 |
| 47 | 106 |
| 48 | -16 |
| 49 | 1 |
| 50 | 1 |
| 51 | -30 |
| 52 | 295 |
| 53 | -1106 |
| 54 | 2083 |
| 55 | -2232 |
| 56 | 1444 |
| 57 | -574 |
| 58 | 137 |
| 59 | -18 |
| 60 | 1 |
| 61 | 36 |
| 62 | -420 |
| 63 | 1897 |
| 64 | -4352 |
| 65 | 5776 |
| 66 | -4744 |
| 67 | 2486 |
| 68 | -832 |
| 69 | 172 |
| 70 | -20 |
| 71 | 1 |
| 72 | 1 |
| 73 | -42 |
| 74 | 581 |
| 75 | -3108 |
| 76 | 8518 |
| 77 | -13672 |
| 78 | 13820 |
| 79 | -9142 |
| 80 | 4013 |
| 81 | -1158 |
| 82 | 211 |
| 83 | -22 |
| 84 | 1 |