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 | 44 |
| 2 | 1936 |
| 3 | 31529 |
| 4 | 502864 |
| 5 | 8942469 |
| 6 | 159327093 |
| 7 | 2805723059 |
| 8 | 49382253588 |
| 9 | 870161983686 |
| 10 | 15335126811127 |
| 11 | 270230133940648 |
| 12 | 4761777405210821 |
| 13 | 83908473333577949 |
| 14 | 1478577785507810905 |
| 15 | 26054511301483619894 |