Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 2 |
1 | 15 |
2 | 117 |
3 | 945 |
4 | 7857 |
5 | 66825 |
6 | 578097 |
7 | 5062905 |
8 | 44726337 |
9 | 397498185 |
10 | 3547250577 |
11 | 31743856665 |
12 | 284606318817 |
13 | 2554926522345 |
14 | 22955156619057 |
15 | 206361317079225 |
16 | 1855841298759297 |
17 | 16694108359111305 |
18 | 150196195253667537 |
[2,15,117,945,7857,66825,578097,5062905,44726337, 397498185,3547250577,31743856665,284606318817, 2554926522345,22955156619057,206361317079225, 1855841298759297,16694108359111305, 150196195253667537] |