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) |
|---|---|
| 62 | 1 |
| 63 | 63 |
| 64 | 2016 |
| 65 | 43680 |
| 66 | 720720 |
| 67 | 9657648 |
| 68 | 109453344 |
| 69 | 1078897248 |
| 70 | 9440350920 |
| 71 | 74473879480 |
| 72 | 536211932256 |
| 73 | 3558497368608 |
| 74 | 21944067106416 |
| 75 | 126600387152400 |
| 76 | 687259244541600 |
| 77 | 3527930788646880 |
| 78 | 17198662594653540 |