Search: id:A007573
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%I A007573 M1319
%S A007573 1,2,5,6,9,10,10,15,15,16,18,24,18,26
%N A007573 Number of asymmetric families of palindromic squares.
%D A007573 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A007573 M. Keith, Classification and enumeration of palindromic squares, J. Rec. 
               Math., 22 (No. 2, 1990), 124-132.
%H A007573 P. De Geest, <a href="http://www.worldofnumbers.com/subsquar.htm#Squarcore">
               Subsets of Palindromic Squares</a>
%e A007573 Second term a(9)=2 indicates existence of two length 9 base numbers, 
               110091011 and 111091111.
%Y A007573 Cf. A002778, A002779.
%Y A007573 Sequence in context: A079256 A097685 A136369 this_sequence A143909 A139454 
               A028946
%Y A007573 Adjacent sequences: A007570 A007571 A007572 this_sequence A007574 A007575 
               A007576
%K A007573 nonn,base
%O A007573 7,2
%A A007573 Simon Plouffe, N. J. A. Sloane (njas(AT)research.att.com), Robert G. 
               Wilson v (rgwv(AT)rgwv.com)

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