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 | 3 |
| 2 | 118 |
| 3 | 20343 |
| 4 | 8530698 |
| 5 | 6711481694 |
| 6 | 8575821262764 |
| 7 | 16243345162977759 |
| 8 | 42826533033277249154 |
| 9 | 150138953276380791799098 |
| 10 | 675925071086215282939520628 |
| 11 | 3802445616812067139270851537718 |
| 12 | 26147695687370407271086390933321188 |
| 13 | 215852465255521412471161891166554453788 |