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 | 1 |
3 | 5 |
4 | 17 |
5 | 85 |
6 | 505 |
7 | 3201 |
8 | 25153 |
9 | 204905 |
10 | 1945265 |
11 | 19581949 |
12 | 217998673 |
13 | 2608398013 |
14 | 33522871785 |
15 | 463598293497 |
16 | 6789373095937 |
17 | 106484041306577 |
18 | 1755926841763681 |
19 | 30821112722260469 |
20 | 566210591513987345 |