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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 11 |
| 11 | -10 |
| 12 | 2 |
| 13 | 10 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 11 |
| 22 | -27 |
| 23 | 29 |
| 24 | -12 |
| 25 | -16 |
| 26 | 30 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
| 32 | 11 |
| 33 | -45 |
| 34 | 47 |
| 35 | -30 |
| 36 | 2 |
| 37 | 16 |
| 38 | -34 |
| 39 | 48 |
| 40 | -12 |
| 41 | -17 |
| 42 | 31 |
| 43 | 1 |
| 44 | 1 |
| 45 | 1 |
| 46 | 11 |
| 47 | -63 |
| 48 | 65 |
| 49 | -46 |
| 50 | 34 |
| 51 | -52 |
| 52 | 66 |
| 53 | -30 |
| 54 | 2 |
| 55 | 16 |
| 56 | -35 |
| 57 | 49 |
| 58 | -12 |
| 59 | -17 |
| 60 | 31 |
| 61 | 1 |
| 62 | 111 |
| 63 | -181 |
| 64 | 182 |
| 65 | -163 |
| 66 | 52 |
| 67 | -51 |
| 68 | 163 |
| 69 | -144 |