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A175635
a(n) = smallest number m such that decimal expansion of m^2 has exactly (n+1) digits n.
0
0, 11, 149, 1156, 2538, 22925, 163284, 2116076, 9321378, 31622764
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..9.
EXAMPLE
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.
CROSSREFS
Cf.
A086935
,
A179895
.
Sequence in context:
A296143
A217722
A261536
*
A103544
A038141
A307072
Adjacent sequences:
A175632
A175633
A175634
*
A175636
A175637
A175638
KEYWORD
base
,
fini
,
full
,
nonn
AUTHOR
Zak Seidov
, Aug 01 2010
STATUS
approved
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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)