A145259 - OEIS

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A145259 as a simple table

n	a(n)
1	1
2	8
3	512
4	29184
5	13307904
6	5404672512
7	17559792635904
8	50811763602977280
9	1176249454737889112064
10	24250990871047073899451904
11	3999906334177619217671691141120

[1,8,512,29184,13307904,5404672512,17559792635904, 50811763602977280,1176249454737889112064, 24250990871047073899451904, 3999906334177619217671691141120]