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Search: id:A145381
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%I A145381
%S A145381 9901,99990001,999999000001,9999999900000001,
%T A145381 811451682377384625400019885321,
%U A145381 666809750614092756440997454321145572124297
%N A145381 Prime numbers p such that p^2 is a concatenation of decimal representations 
               of m and m-1 for some integer m.
%H A145381 Max Alekseyev. <a href="b145381.txt">Table of n, a(n) for n = 1..96</
               a>
%Y A145381 Prime elements of A054216.
%Y A145381 Sequence in context: A001230 A103810 A072848 this_sequence A031856 A031858 
               A126978
%Y A145381 Adjacent sequences: A145378 A145379 A145380 this_sequence A145382 A145383 
               A145384
%K A145381 base,nonn
%O A145381 1,1
%A A145381 Max Alekseyev (maxale(AT)gmail.com), Oct 09 2008

    
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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