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A072171 as a simple table

n a(n)
-1 2
0 6
1 14
2 71
3 190
4 610
5 1929
6 5946
7 17765
8 51094
9 140062
10 409194
11 1196690
12 3481113
13 10126390
14 29457184
15 85689537
16 249266759
17 725105060
18 2109295881
19 6135840666
20 17848866544

[2,6,14,71,190,610,1929,5946,17765,51094,140062,
 409194,1196690,3481113,10126390,29457184,85689537,
 249266759,725105060,2109295881,6135840666,
 17848866544]

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Last modified April 24 07:20 EDT 2024. Contains 371921 sequences. (Running on oeis4.)