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A305661
as a simple table
n
a(n)
1
11
2
75
3
795297
4
93992106533
5
45114643856137363285734
6
5244406139948692731854965782168773850666243474
[11,75,795297,93992106533,45114643856137363285734, 5244406139948692731854965782168773850666243474]