A153180 - OEIS

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A153180 as a simple table

n	a(n)
1	521
2	90481
3	35355581
4	10525900321
5	3489827263001
6	1111126318086721
7	359316586176453881
8	115509240442846111681
9	37216910406644366498621
10	11980863523543017476802001
11	3858153294795970321295258921

[521,90481,35355581,10525900321,3489827263001, 1111126318086721,359316586176453881, 115509240442846111681,37216910406644366498621, 11980863523543017476802001, 3858153294795970321295258921]