A169150 - OEIS

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A169150 as a simple table

n	a(n)
0	1
1	41
2	1640
3	65600
4	2624000
5	104960000
6	4198400000
7	167936000000
8	6717440000000
9	268697600000000
10	10747904000000000
11	429916160000000000
12	17196646400000000000
13	687865856000000000000
14	27514634240000000000000

[1,41,1640,65600,2624000,104960000,4198400000, 167936000000,6717440000000,268697600000000, 10747904000000000,429916160000000000, 17196646400000000000,687865856000000000000, 27514634240000000000000]