A179895
a(n) = smallest number m such that m^2 has exactly n decimal digits n.
Original entry on oeis.org
1, 1, 15, 586, 212, 22485, 68313, 278874, 623609, 3082207
Offset: 0
a(0)=1 because 1^1=1 has zero 0's
a(1)=1 because 1^1=1 has one 1's
a(8)=623609 because 623609^2=388888184881 has eight 8's
a(9)=3082207 because3082207^2=9499999990849 has nine 9's.
A175635
a(n) = smallest number m such that decimal expansion of m^2 has exactly (n+1) digits n.
Original entry on oeis.org
0, 11, 149, 1156, 2538, 22925, 163284, 2116076, 9321378, 31622764
Offset: 0
a(0)=0 because 0^2=0 has one 0
a(1)=1 because 11^2=121 has two 1's
a(2)=149 because 149^2=22201 has three 2's
a(8)=9321378 because 9321378^2=86888087818884 has nine 8's
a(9)=31622764 because 31622764^2=999999202999696 has ten 9's.
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