Search: id:A156467
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%I A156467
%S A156467 2,2,44,76,1804,8172,1022492,7436362,4686068520,71763897760,
%T A156467 74820160016800
%N A156467 Number of nXn arrays of squares of integers, symmetric about both diagonal 
               and antidiagonal, with all rows summing to 17.
%Y A156467 Sequence in context: A087541 A153434 A152016 this_sequence A015167 A086204 
               A037292
%Y A156467 Adjacent sequences: A156464 A156465 A156466 this_sequence A156468 A156469 
               A156470
%K A156467 nonn
%O A156467 2,1
%A A156467 Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

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