A159408 - OEIS

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A159408 as a simple table

n	a(n)
3	80
4	81970
5	198598120
6	364613564592
7	491411402965408
8	433784038380001756
9	230474677737192144368
10	70203649179688320074704
11	12227440515845132316709008
12	1273365210975360016227907628

[80,81970,198598120,364613564592,491411402965408, 433784038380001756,230474677737192144368, 70203649179688320074704, 12227440515845132316709008, 1273365210975360016227907628]