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 | 20576473996736735 |
| 2 | 42380075646230399 |
| 3 | 75943207554554879 |
| 4 | 83668951228080959 |
| 5 | 96195222056687039 |
| 6 | 116436396482735615 |
| 7 | 132525862783734959 |
| 8 | 134052021887096159 |
| 9 | 162544912900261199 |
| 10 | 175900784368936319 |
| 11 | 186326804496197519 |
| 12 | 190523141606006495 |
| 13 | 196467189590024639 |