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A056096 as a simple table

n a(n)
3 1
4 4
5 17
6 80
7 403
8 2128
9 11628
10 65208
11 373175
12 2170740
13 12797265
14 76292736
15 459162452
16 2786017120
17 17024247304
18 104673837384
19 647113502847
20 4020062732140 

[1,4,17,80,403,2128,11628,65208,373175,2170740,
 12797265,76292736,459162452,2786017120,
 17024247304,104673837384,647113502847,
 4020062732140]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)