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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1025 |
| 3 | 62122 |
| 4 | 4436645 |
| 5 | 635999636 |
| 6 | 70891240117 |
| 7 | 9361749284896 |
| 8 | 1491531423411913 |
| 9 | 235989968039151760 |
| 10 | 40944833826904310921 |
| 11 | 7754112338325635303264 |
| 12 | 1525672210381158739381165 |
| 13 | 318496972975593582426074560 |
| 14 | 70389888724665631249754800189 |