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A026073 as a simple table

n a(n)
0 1
1 2
2 5
3 24
4 133
5 736
6 4135
7 23452
8 134043
9 770864
10 4455462
11 25859380
12 150615223
13 879876040
14 5153445895
15 30251941860
16 177938418225
17 1048452751872
18 6187400646130
19 36566048896896
20 216370786646054

[1,2,5,24,133,736,4135,23452,134043,770864,
 4455462,25859380,150615223,879876040,5153445895,
 30251941860,177938418225,1048452751872,
 6187400646130,36566048896896,216370786646054]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)