A100474 - OEIS

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A100474 as a simple table

n	a(n)
1	1
2	5
3	380
4	96197
5	58546472
6	42588477041
7	42945524659398
8	62170660055541623
9	133274332258941430724
10	322874181064180119947025
11	950049250593734799731643802
12	4193776877793643794299905615515

[1,5,380,96197,58546472,42588477041, 42945524659398,62170660055541623, 133274332258941430724,322874181064180119947025, 950049250593734799731643802, 4193776877793643794299905615515]