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 | 0 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 42 |
5 | 4094 |
6 | 98210640 |
7 | 148947659711650464 |
8 | 872404773126414633407736134582136832 |
9 | 88627167739308536281147085615274891669779458770791192509009429292662497280 |