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 | 2 |
3 | 8 |
4 | 54 |
5 | 546 |
6 | 7644 |
7 | 140388 |
8 | 3253608 |
9 | 92429592 |
10 | 3147053520 |
11 | 126146938608 |
12 | 5866848879168 |
13 | 312780729436704 |
14 | 18921429038592288 |
15 | 1287533798347045536 |
16 | 97808017722679006848 |
17 | 8240098982756882179968 |
18 | 765420628291191991328256 |
19 | 77987441816127455405628672 |