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A120120 as a simple table

n a(n)
2 1
3 3
4 7
5 26
6 128
7 733
8 3869
9 23620
10 152141
11 1028789
12 7188960
13 51672312
14 381226246
15 2873279651 

[1,3,7,26,128,733,3869,23620,152141,1028789,
 7188960,51672312,381226246,2873279651]

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)