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A155327 as a simple table

n a(n)
5 1
6 7
7 19
8 37
9 76
10 382
11 2724
12 16177
13 82034
14 576215
15 5993574
16 76883371
17 996696560
18 14175824222
19 255455613029

[1,7,19,37,76,382,2724,16177,82034,576215,5993574,
 76883371,996696560,14175824222,255455613029]

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Last modified August 13 10:15 EDT 2024. Contains 375130 sequences. (Running on oeis4.)