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A243475 as a simple table

n a(n)
5 2
6 28
7 241
8 1667
9 10142
10 56748
11 299485
12 1514445
13 7415873
14 35424718
15 165963977
16 765639729
17 3488740303
18 15739196772
19 70434524941
20 313136541466
21 1384706596078
22 6096641331963
23 26747810596747
24 117015840972949
25 510745056446585
26 2225207050547044
27 9680854941464722

[2,28,241,1667,10142,56748,299485,1514445,7415873,
 35424718,165963977,765639729,3488740303,
 15739196772,70434524941,313136541466,
 1384706596078,6096641331963,26747810596747,
 117015840972949,510745056446585,2225207050547044,
 9680854941464722]

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Last modified August 24 03:51 EDT 2019. Contains 326260 sequences. (Running on oeis4.)