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) |
|---|---|
| 55 | 1 |
| 56 | 1 |
| 57 | 3 |
| 58 | 7 |
| 59 | 16 |
| 60 | 35 |
| 61 | 76 |
| 62 | 162 |
| 63 | 342 |
| 64 | 715 |
| 65 | 1484 |
| 66 | 3049 |
| 67 | 6266 |
| 68 | 12788 |
| 69 | 26017 |
| 70 | 52773 |
| 71 | 106791 |
| 72 | 215654 |
| 73 | 434766 |
| 74 | 875271 |
| 75 | 1760058 |
| 76 | 3535850 |
| 77 | 7097682 |
| 78 | 14238236 |
| 79 | 28546852 |
| 80 | 57209494 |
| 81 | 114608933 |
| 82 | 229529157 |
| 83 | 459567874 |
| 84 | 919969090 |
| 85 | 1841299703 |
| 86 | 3684822059 |
| 87 | 7373269689 |
| 88 | 14752449235 |