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A240105
as a simple table
n
a(n)
1
1
2
3490575
3
83972646
4
414180489
5
476072025
6
1881147720
7
3020243916
8
3188924769
9
3285167214
10
3543143220
[1,3490575,83972646,414180489,476072025, 1881147720,3020243916,3188924769,3285167214, 3543143220]