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A005646 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 6
6 26
7 122
8 1015
9 11847
10 208914
11 5236991
12 184321511

[1,1,1,3,6,26,122,1015,11847,208914,5236991,
 184321511]

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Last modified November 21 04:33 EST 2019. Contains 329350 sequences. (Running on oeis4.)