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A157016 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 3
5 16
6 96
7 812
8 10957
9 260494
10 11713772
11 1006689871
12 164059928509
13 50335918374222
14 29003488479015273
15 31397381309486933777
16 63969560164056545231089
17 245871831711240782887877980
18 1787331725280384281389706209909
19 24636021429463931875328533035140871
20 645465483198968863672173418327800803328

[1,0,0,1,3,16,96,812,10957,260494,11713772,
 1006689871,164059928509,50335918374222,
 29003488479015273,31397381309486933777,
 63969560164056545231089,
 245871831711240782887877980,
 1787331725280384281389706209909,
 24636021429463931875328533035140871,
 645465483198968863672173418327800803328]

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Last modified April 19 10:30 EDT 2021. Contains 343112 sequences. (Running on oeis4.)