Search: id:A159420
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%I A159420
%S A159420 88,223176,965933960,4489601294080,17024968617729600,
%T A159420 46153277154525398944,81793715658361957586560,88458274598979298245766144,
%U A159420 56041133859159452089225510480,20683461264345734698581425659800
%N A159420 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock 
               summing to 27
%Y A159420 Sequence in context: A157460 A093244 A079036 this_sequence A093222 A114922 
               A036951
%Y A159420 Adjacent sequences: A159417 A159418 A159419 this_sequence A159421 A159422 
               A159423
%K A159420 nonn
%O A159420 3,1
%A A159420 Ron Hardin (rhhardin(AT)att.net) Apr 11 2009

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