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A007127 as a simple table

n a(n)
1 1
2 2
3 5
4 18
5 100
6 1242
7 43425
8 4925635
9 1678993887
10 1613875721946
11 4293014800909806
12 31574944534364259507
13 644483327087699659771857
14 36676558984788056550610362834
15 5846161177591490590945591554686844
16 2621219060849255874034814155021919844156

[1,2,5,18,100,1242,43425,4925635,1678993887,
 1613875721946,4293014800909806,
 31574944534364259507,644483327087699659771857,
 36676558984788056550610362834,
 5846161177591490590945591554686844,
 2621219060849255874034814155021919844156]

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Last modified May 17 22:15 EDT 2021. Contains 343992 sequences. (Running on oeis4.)