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A205353
as a simple table
n
a(n)
1
14
2
275
3
12866
4
1329947
5
323378690
6
194089073306
7
288041668868162
8
1037162852168747729
[14,275,12866,1329947,323378690,194089073306, 288041668868162,1037162852168747729]