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A220887 as a simple table

n a(n)
4 6
5 50
6 262
7 1114
8 4278
9 15769
10 58147
11 221089
12 886411
13 3806475
14 17681979
15 89337562
16 492188528
17 2959459154
18 19424078142
19 139141985438
20 1087614361775
21 9274721292503 

[6,50,262,1114,4278,15769,58147,221089,886411,
 3806475,17681979,89337562,492188528,2959459154,
 19424078142,139141985438,1087614361775,
 9274721292503]

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)