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) |
|---|---|
| 1 | 65 |
| 2 | 4225 |
| 3 | 116100 |
| 4 | 2482591 |
| 5 | 68121839 |
| 6 | 2076231513 |
| 7 | 61652076124 |
| 8 | 1785011303305 |
| 9 | 52081392909734 |
| 10 | 1531637258052071 |
| 11 | 45087524679984918 |
| 12 | 1325492265359151122 |
| 13 | 38967877720497094747 |
| 14 | 1146070566293713302197 |
| 15 | 33712980614275859943483 |