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A155331 as a simple table

n a(n)
5 1
6 4
7 13
8 28
9 131
10 616
11 2577
12 12364
13 77884
14 560672
15 4490012
16 45293635
17 525483762 

[1,4,13,28,131,616,2577,12364,77884,560672,
 4490012,45293635,525483762]

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Last modified April 24 11:01 EDT 2024. Contains 371936 sequences. (Running on oeis4.)