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A066618 as a simple table

na(n)
11
22
35
4101
5626
65477
77745
810001
91000001
101010026
111040401
122217122
132676497
145053505
156200101
167946762
17100000001
18101808101
1910000000001
2010180608202
2110182828101
2210408080401
2320280608101
2426573890226
2526995147205

[1,2,5,101,626,5477,7745,10001,1000001,1010026,
 1040401,2217122,2676497,5053505,6200101,7946762,
 100000001,101808101,10000000001,10180608202,
 10182828101,10408080401,20280608101,26573890226,
 26995147205]