Search: id:A035069
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%I A035069
%S A035069 5,15,45,142,448,1415,4473,14143,44722,141422,447214,1414214,4472136,
%T A035069 14142136,44721360,141421357,447213596,1414213563,4472135955,
%U A035069 14142135624,44721359550,141421356238,447213595500,1414213562374
%N A035069 a(n) is root of square starting with digit 2: first term of runs.
%F A035069 ceiling(sqrt((2*10^n))
%Y A035069 Cf. A067472 (squares), A035076 (2..9).
%Y A035069 Sequence in context: A005030 A084244 A099235 this_sequence A001869 A058425 
               A079798
%Y A035069 Adjacent sequences: A035066 A035067 A035068 this_sequence A035070 A035071 
               A035072
%K A035069 nonn,base
%O A035069 0,1
%A A035069 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1998.

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