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 | 16 |
| 2 | 512 |
| 3 | 11283 |
| 4 | 280468 |
| 5 | 6892031 |
| 6 | 170137416 |
| 7 | 4200575252 |
| 8 | 103715870545 |
| 9 | 2560893666570 |
| 10 | 63232497527110 |
| 11 | 1561310446894473 |
| 12 | 38551239404752239 |
| 13 | 951891497499265483 |
| 14 | 23503717252026765272 |
| 15 | 580344217887313443874 |