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) |
|---|---|
| 73 | 1 |
| 74 | 74 |
| 75 | 2775 |
| 76 | 70300 |
| 77 | 1353275 |
| 78 | 21111090 |
| 79 | 277962685 |
| 80 | 3176716400 |
| 81 | 32164253550 |
| 82 | 293052087900 |
| 83 | 2432332329570 |
| 84 | 18574174153080 |
| 85 | 131567066917650 |
| 86 | 870366750378300 |
| 87 | 5408707663065150 |
| 88 | 31731084956648880 |