Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 109 |
4 | 1641 |
5 | 27151 |
6 | 478341 |
7 | 8782075 |
8 | 166237161 |
9 | 3220837534 |
10 | 63562741159 |
11 | 1273237637706 |
12 | 25820645555109 |
13 | 529080420540114 |
14 | 10937268142896643 |
15 | 227824992158991334 |
16 | 4777204094770874857 |
17 | 100757627271124231383 |
18 | 2136117417348870713646 |
19 | 45496022230420668679932 |
[1,1,9,109,1641,27151,478341,8782075,166237161, 3220837534,63562741159,1273237637706, 25820645555109,529080420540114,10937268142896643, 227824992158991334,4777204094770874857, 100757627271124231383,2136117417348870713646, 45496022230420668679932] |