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A012263 as a simple table

n a(n)
0 1
1 1
2 1
3 5
4 17
5 129
6 769
7 7797
8 66849
9 848481
10 9506241
11 145041093
12 2007271089
13 35799178401
14 589807203777
15 12045448529397
16 230194642564161
17 5298881528389185
18 115219444193968257
19 2952169020073027845

[1,1,1,5,17,129,769,7797,66849,848481,9506241,
 145041093,2007271089,35799178401,589807203777,
 12045448529397,230194642564161,5298881528389185,
 115219444193968257,2952169020073027845]

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Last modified July 26 17:18 EDT 2024. Contains 374636 sequences. (Running on oeis4.)