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A001795 as a simple table

n a(n)
0 1
1 1
2 7
3 33
4 715
5 4199
6 52003
7 334305
8 17678835
9 119409675
10 1641030105
11 11435320455
12 322476036831
13 2295919134019
14 32968493968795
15 238436656380769
16 27767032438524099
17 203236010537432691
18 2989949596465113373

[1,1,7,33,715,4199,52003,334305,17678835,
 119409675,1641030105,11435320455,322476036831,
 2295919134019,32968493968795,238436656380769,
 27767032438524099,203236010537432691,
 2989949596465113373]

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Last modified February 22 13:09 EST 2018. Contains 299454 sequences. (Running on oeis4.)