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A019006 as a simple table

n a(n)
2 2
3 12
4 39
5 219
6 1008
7 5155
8 28936
9 181946
10 1205364
11 8180631
12 55791460
13 379587247
14 2576803667
15 17509137751
16 119443932080 

[2,12,39,219,1008,5155,28936,181946,1205364,
 8180631,55791460,379587247,2576803667,17509137751,
 119443932080]

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)