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%I #10 Jun 11 2014 17:22:16
%S 21,29,35,41,45,49,53,59,61,69,77,83,89,101,115,157
%N The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is E.
%H <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%Y Cf. A004195, A004441.
%K nonn,fini,full
%O 1,1
%A _N. J. A. Sloane_, _Dan Hoey_
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