Search: id:A027720
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%I A027720
%S A027720 1,2,5,101,626,10001,1000001,1040401,2217122,5053505,100000001,
%T A027720 101808101,10000000001,10182828101,10408080401,28053235082,
%U A027720 1000000000001,1000400040001,1018262628101,7534662664357
%N A027720 Palindromes of form n^2 + 1.
%H A027720 P. De Geest, <a href="http://www.worldofnumbers.com/squadd1.htm">Palindromic 
               incremented squares of the form n^2+1</a>
%Y A027720 Cf. A002522, A027719.
%Y A027720 Sequence in context: A162569 A120800 A066618 this_sequence A132482 A136106 
               A122696
%Y A027720 Adjacent sequences: A027717 A027718 A027719 this_sequence A027721 A027722 
               A027723
%K A027720 nonn,base
%O A027720 1,2
%A A027720 Patrick De Geest (pdg(AT)worldofnumbers.com)

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