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 | 2 |
2 | 6 |
3 | 42 |
4 | 1806 |
5 | 3270666 |
6 | 10697259354222 |
7 | 114431357691543566765996394 |
8 | 13094535623129987017538646614449662873664453962869814 |
9 | 171466863185420237392391564368967506501628543653753176958938044126997508808439363294403869833497610468982 |