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A172064 as a simple table

n a(n)
0 1
1 8
2 46
3 230
4 1068
5 4744
6 20476
7 86662
8 361711
9 1494384
10 6126818
11 24972326
12 101320712
13 409609664
14 1651162688
15 6640469816
16 26655382802
17 106830738224
18 427612715516
19 1709790470780
20 6830461107736
21 27266848437608

[1,8,46,230,1068,4744,20476,86662,361711,1494384,
 6126818,24972326,101320712,409609664,1651162688,
 6640469816,26655382802,106830738224,427612715516,
 1709790470780,6830461107736,27266848437608]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)