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 | 3 |
| 1 | 2 |
| 2 | -2 |
| 3 | 9 |
| 4 | 24 |
| 5 | 33 |
| 6 | 21 |
| 7 | -2 |
| 8 | -6 |
| 9 | 18 |
| 10 | 47 |
| 11 | 30 |
| 12 | -13 |
| 13 | -20 |
| 14 | 4 |
| 15 | -7 |
| 16 | -32 |
| 17 | -42 |
| 18 | -59 |
| 19 | -80 |
| 20 | -77 |
| 21 | -66 |
| 22 | -74 |
| 23 | -107 |
| 24 | -128 |
| 25 | -98 |
| 26 | -67 |
| 27 | -81 |
| 28 | -127 |
| 29 | -151 |
| 30 | -142 |
| 31 | -119 |
| 32 | -107 |
| 33 | -117 |
| 34 | -151 |
| 35 | -190 |
| 36 | -176 |
| 37 | -136 |
| 38 | -123 |
| 39 | -158 |
| 40 | -193 |
| 41 | -202 |
| 42 | -173 |
| 43 | -140 |
| 44 | -133 |
| 45 | -165 |
| 46 | -204 |
| 47 | -188 |
| 48 | -140 |
| 49 | -113 |
| 50 | -151 |
| 51 | -205 |
| 52 | -195 |
| 53 | -127 |
| 54 | -82 |
| 55 | -88 |
| 56 | -120 |