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 | 10 |
3 | 44 |
4 | 364 |
5 | 2552 |
6 | 28504 |
7 | 267920 |
8 | 3762448 |
9 | 44426528 |
10 | 733803424 |
11 | 10281376448 |
12 | 197599119040 |
13 | 3231560909696 |
14 | 69960323019136 |
15 | 1295278340380928 |
16 | 31334430312038656 |
17 | 650842176105505280 |
18 | 17337350481203210752 |
19 | 397746862137852603392 |
20 | 11579274068100022660096 |