A169299 - OEIS

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A169299 as a simple table

n	a(n)
0	1
1	46
2	2070
3	93150
4	4191750
5	188628750
6	8488293750
7	381973218750
8	17188794843750
9	773495767968750
10	34807309558593750
11	1566328930136718750
12	70484801856152343750
13	3171816083526855468750
14	142731723758708496093750

[1,46,2070,93150,4191750,188628750,8488293750, 381973218750,17188794843750,773495767968750, 34807309558593750,1566328930136718750, 70484801856152343750,3171816083526855468750, 142731723758708496093750]