A045734 - OEIS

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A045734 as a simple table

n	a(n)
1	1
2	4181
3	987
4	165580141
5	2584
6	365435296162
7	498454011879264
8	64202014863723094126901777428873111802307548623680
9	81055900096023504197206408605
10	1001919737325604309473206237898433933302481297
11	121393
12	144

[1,4181,987,165580141,2584,365435296162, 498454011879264, 64202014863723094126901777428873111802307548623680\ ,81055900096023504197206408605, 1001919737325604309473206237898433933302481297, 121393,144]