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) |
|---|---|
| 76 | 1 |
| 77 | 77 |
| 78 | 3003 |
| 79 | 79079 |
| 80 | 1581580 |
| 81 | 25621596 |
| 82 | 350161812 |
| 83 | 4151918628 |
| 84 | 43595145594 |
| 85 | 411731930610 |
| 86 | 3540894603246 |
| 87 | 28005257316582 |
| 88 | 205371886988268 |
| 89 | 1406007533996604 |
| 90 | 9038619861406740 |
| 91 | 54834293825867556 |