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A048912
as a simple table
n
a(n)
1
1
2
9
3
1089
4
8281
5
978121
6
7436529
7
878351769
8
6677994961
9
788758910641
[1,9,1089,8281,978121,7436529,878351769, 6677994961,788758910641]