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 | 138 |
| 2 | 88636 |
| 3 | 3685550 |
| 4 | 51077518 |
| 5 | 389832124 |
| 6 | 2044221894 |
| 7 | 8281149188 |
| 8 | 27785393300 |
| 9 | 80752300406 |
| 10 | 209581305608 |
| 11 | 496408914210 |
| 12 | 1090354976530 |
| 13 | 2248071267000 |
| 14 | 4391976524034 |
| 15 | 8191437222152 |
| 16 | 14673108432136 |
| 17 | 25367684178562 |