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A034993
Smallest square starting with a string of n 8's.
2
81, 8836, 88804, 88887184, 88888055881, 888888810481, 888888810481, 8888888859057216, 88888888888905609, 88888888888905609, 88888888888905609, 888888888888769405062724, 888888888888817576082400016, 8888888888888825421477138436, 888888888888888199001963335969, 888888888888888832115283007868025
OFFSET
1,1
LINKS
MAPLE
f:= proc(n) local q, k, x;
q:= 8*(10^n-1)/9;
for k from 0 do
x:= ceil(sqrt(q*10^k));
if x^2 < (q+1)*10^k then return x^2 fi
od
end proc:
map(f, [$1..20]); # Robert Israel, Jun 26 2018
CROSSREFS
Cf. A034992.
Sequence in context: A186527 A178511 A184337 * A223328 A093281 A059988
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 1998
EXTENSIONS
More terms from Robert Israel, Jun 26 2018
STATUS
approved