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A155326 as a simple table

n a(n)
4 1
5 4
6 13
7 28
8 111
9 502
10 1855
11 10932
12 85106
13 591988
14 5415550
15 64685900
16 769802654
17 11442223576

[1,4,13,28,111,502,1855,10932,85106,591988,
 5415550,64685900,769802654,11442223576]

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)