A151832 - OEIS

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A151832 as a simple table

n	a(n)
1	1
2	6
3	66
4	901
5	13881
6	231008
7	4057660
8	74174927
9	1398295989
10	27012396022
11	532327974882
12	10665521789203
13	227093585071305
14	4455636282185802
15	92567760074841818

[1,6,66,901,13881,231008,4057660,74174927, 1398295989,27012396022,532327974882, 10665521789203,227093585071305,4455636282185802, 92567760074841818]

[1,6,66,901,13881,231008,4057660,74174927,
 1398295989,27012396022,532327974882,
 10665521789203,227093585071305,4455636282185802,
 92567760074841818]