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A000558 as a simple table

n a(n)
2 1
3 6
4 32
5 175
6 1012
7 6230
8 40819
9 283944
10 2090424
11 16235417
12 132609666
13 1135846062
14 10175352709
15 95108406130
16 925496853980
17 9357279554071
18 98118527430960
19 1065259283215810
20 11956366813630835
21 138539436100687988
22 1655071323662574756
23 20361556640795422729

[1,6,32,175,1012,6230,40819,283944,2090424,
 16235417,132609666,1135846062,10175352709,
 95108406130,925496853980,9357279554071,
 98118527430960,1065259283215810,11956366813630835,
 138539436100687988,1655071323662574756,
 20361556640795422729]

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Last modified June 5 23:50 EDT 2024. Contains 373110 sequences. (Running on oeis4.)