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A027269 as a simple table

n a(n)
2 5
3 19
4 150
5 561
6 4797
7 18089
8 156900
9 596674
10 5205950
11 19932353
12 174609162
13 672106267
14 5906040623
15 22829936683
16 201114700568
17 780077588440
18 6885880226784
19 26784015828458
20 236826459554380
21 923352937530146
22 8175978023317170
23 31940549289135429
24 283166067626865540

[5,19,150,561,4797,18089,156900,596674,5205950,
 19932353,174609162,672106267,5906040623,
 22829936683,201114700568,780077588440,
 6885880226784,26784015828458,236826459554380,
 923352937530146,8175978023317170,
 31940549289135429,283166067626865540]

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Last modified June 23 16:14 EDT 2021. Contains 345402 sequences. (Running on oeis4.)