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A262961 as a simple table

n a(n)
1 0
2 1
3 2
4 15
5 302
6 12559
7 900288
8 98986140
9 15459635718
10 3251842717671
11 885987204390450
12 303482789415233775
13 127643176985672421000
14 64668997044706349592900
15 38844990446097247188562800
16 27296481783843922533011100000
17 22184577644604207037479874293750 

[0,1,2,15,302,12559,900288,98986140,15459635718,
 3251842717671,885987204390450,303482789415233775,
 127643176985672421000,64668997044706349592900,
 38844990446097247188562800,
 27296481783843922533011100000,
 22184577644604207037479874293750]

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Last modified September 19 16:10 EDT 2024. Contains 376013 sequences. (Running on oeis4.)