A146758 - OEIS

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A146758 as a simple table

n	a(n)
1	7
2	97
3	983
4	9941
5	99839
6	999983
7	9998239
8	99999989
9	999950881
10	9999999929
11	99999999833
12	999999999989
13	9999999999863
14	99999999999971
15	999999961946087
16	9999999999999917
17	99999999989350667
18	999999999999999989

[7,97,983,9941,99839,999983,9998239,99999989, 999950881,9999999929,99999999833,999999999989, 9999999999863,99999999999971,999999961946087, 9999999999999917,99999999989350667, 999999999999999989]