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) |
|---|---|
| 75 | 1 |
| 76 | 76 |
| 77 | 2926 |
| 78 | 76076 |
| 79 | 1502501 |
| 80 | 24040016 |
| 81 | 324540216 |
| 82 | 3801756816 |
| 83 | 39443226966 |
| 84 | 368136785016 |
| 85 | 3129162672636 |
| 86 | 24464362713336 |
| 87 | 177366629671686 |
| 88 | 1200635647008336 |
| 89 | 7632612327410136 |
| 90 | 45795673964460816 |