Search: id:A062295
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%I A062295
%S A062295 1,4,9,16,25,36,64,81,100,169,256,289,441,484,576,625,841,1089,1296,
%T A062295 1444,1936,2025,2401,2601,3136,4225,4356,4624,5329,5476,5776,6084,7569,
%U A062295 9025,10201,11449,11664,12321,12996,13456,14400,16129,17956,20164,22201
%N A062295 A B_2 sequence: a(n) is the smallest square such that pairwise sums of 
               not necessarily distinct elements are all distinct.
%H A062295 Klaus Brockhaus, <a href="b062295.txt">Table of n, a(n) for n = 1..4944</
               a>
%H A062295 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               B2-Sequence.html">B2-Sequence</a>
%H A062295 <a href="Sindx_Br.html#B_2">Index entries for B_2 sequences</a>
%e A062295 36 is in the sequence since the pairwise sums of {1, 4, 9, 16, 25, 36} 
               are all distinct: 2, 5, 8, 10, 13, 17, 18, 20, 25, 26, 29, 32, 34, 
               37, 40, 41, 45, 50, 52, 61, 72.
%e A062295 49 is not in the sequence since 1 + 49 = 25 + 25.
%Y A062295 Cf. A000290, A011185, A010672, A025582, A005282, A062292, A133743, A133744.
%Y A062295 Sequence in context: A028820 A122683 A072862 this_sequence A068802 A075056 
               A022779
%Y A062295 Adjacent sequences: A062292 A062293 A062294 this_sequence A062296 A062297 
               A062298
%K A062295 nonn
%O A062295 1,2
%A A062295 Labos E. (labos(AT)ana.sote.hu), Jul 02 2001
%E A062295 Edited, corrected and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), 
               Sep 24 2007

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