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 | 3 |
| 5 | -3 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | -7 |
| 10 | 10 |
| 11 | -6 |
| 12 | 1 |
| 13 | 0 |
| 14 | 1 |
| 15 | -8 |
| 16 | 23 |
| 17 | -25 |
| 18 | 1 |
| 19 | 17 |
| 20 | 1 |
| 21 | -32 |
| 22 | 36 |
| 23 | -12 |
| 24 | 1 |
| 25 | -21 |
| 26 | 26 |
| 27 | -14 |
| 28 | 55 |
| 29 | -92 |
| 30 | 1 |
| 31 | 93 |
| 32 | 1 |
| 33 | -129 |
| 34 | 78 |
| 35 | -18 |
| 36 | 108 |
| 37 | -121 |
| 38 | 1 |
| 39 | -20 |
| 40 | 105 |
| 41 | -49 |
| 42 | 1 |
| 43 | 19 |
| 44 | 1 |
| 45 | -298 |
| 46 | 430 |
| 47 | -24 |
| 48 | 1 |
| 49 | -423 |
| 50 | 50 |
| 51 | 424 |
| 52 | 171 |
| 53 | -469 |
| 54 | 1 |
| 55 | -217 |
| 56 | 661 |
| 57 | -450 |
| 58 | 210 |
| 59 | -30 |
| 60 | 1 |
| 61 | -203 |
| 62 | 1 |
| 63 | -32 |
| 64 | 591 |
| 65 | -897 |
| 66 | 1288 |
| 67 | -881 |
| 68 | 1 |
| 69 | -987 |
| 70 | 300 |
| 71 | 2407 |
| 72 | 1 |
| 73 | -2804 |
| 74 | 1 |
| 75 | -38 |
| 76 | 2626 |
| 77 | -1350 |
| 78 | 1387 |
| 79 | -2380 |
| 80 | 1 |
| 81 | 837 |
| 82 | 487 |
| 83 | -42 |
| 84 | 1 |
| 85 | -2855 |
| 86 | 3741 |
| 87 | -44 |
| 88 | 465 |
| 89 | -3301 |
| 90 | 1 |
| 91 | -326 |
| 92 | 4291 |
| 93 | -2324 |
| 94 | 528 |
| 95 | -48 |
| 96 | 5815 |
| 97 | -12713 |
| 98 | 1 |
| 99 | 6957 |
| 100 | 1422 |
| 101 | 4074 |
| 102 | 1 |
| 103 | -10371 |
| 104 | 1 |
| 105 | -8451 |
| 106 | 20322 |
| 107 | -54 |
| 108 | 1 |
| 109 | -15589 |
| 110 | 1 |