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A155349 as a simple table

n a(n)
5 1
6 7
7 19
8 37
9 100
10 428
11 1794
12 11180
13 68280
14 460602
15 3595480
16 35769940
17 408682401
18 5473453986
19 84561686844 

[1,7,19,37,100,428,1794,11180,68280,460602,
 3595480,35769940,408682401,5473453986,84561686844]

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)