A271336 - OEIS

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A271336 as a simple table

n	a(n)
1	0
2	1
3	36
4	18054
5	71737645
6	1362466441524
7	116575962939900339
8	45581482786366761792674
9	82453748433709497031355883570

[0,1,36,18054,71737645,1362466441524, 116575962939900339,45581482786366761792674, 82453748433709497031355883570]