Search: id:A156512
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%I A156512
%S A156512 3,22,474,21676,6117690,8086830378,27448134968478,351300513333271976
%N A156512 Number of nXn arrays of squares of integers, symmetric about main diagonal, 
               with all rows summing to 50.
%Y A156512 Sequence in context: A046947 A002485 A099750 this_sequence A119770 A153230 
               A132558
%Y A156512 Adjacent sequences: A156509 A156510 A156511 this_sequence A156513 A156514 
               A156515
%K A156512 nonn
%O A156512 2,1
%A A156512 Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

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