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 | 990 |
2 | 3432198 |
3 | 13768454700 |
4 | 58626071754822 |
5 | 257898242928604740 |
6 | 1158088115444301759900 |
7 | 5274648294443835666191640 |
8 | 24274428407219984638641697350 |
9 | 112600884656246368465947735787860 |
10 | 525586819747900180429387794022656948 |
11 | 2465690419601453784410118364323664257000 |