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A001406
as a simple table
n
a(n)
0
1
1
0
2
12
3
148
4
2568
5
53944
6
1283270
7
33268932
8
918420570
[1,0,12,148,2568,53944,1283270,33268932,918420570]
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Last modified September 14 13:32 EDT 2024. Contains 375921 sequences. (Running on oeis4.)
