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A019026 as a simple table

n a(n)
2 3
3 7
4 43
5 198
6 926
7 5199
8 33723
9 219611
10 1410817
11 9288667
12 62482152
13 424683884
14 2910675140
15 20114908457
16 140063531023 

[3,7,43,198,926,5199,33723,219611,1410817,9288667,
 62482152,424683884,2910675140,20114908457,
 140063531023]

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Last modified August 15 11:25 EDT 2022. Contains 356145 sequences. (Running on oeis4.)