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A159204 as a simple table

n a(n)
3 198
4 1062
5 3974
6 12294
7 45386
8 142206
9 400914
10 1332870
11 3945242
12 10847070
13 34656506
14 100733766
15 276259698
16 868825302
17 2514160154
18 6922672974

[198,1062,3974,12294,45386,142206,400914,1332870,
 3945242,10847070,34656506,100733766,276259698,
 868825302,2514160154,6922672974]

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Last modified July 20 05:56 EDT 2019. Contains 325168 sequences. (Running on oeis4.)