%I A004433
%S A004433 30,39,46,50,51,54,57,62,63,65,66,70,71,74,75,78,79,81,84,85,86,87,
%T A004433 90,91,93,94,95,98,99,102,105,106,107,109,110,111,113,114,116,117,
%U A004433 118,119,120,121,122,123,125,126,127,129,130,131,133,134,135,137
%N A004433 Numbers that are the sum of 4 distinct nonzero squares: of form w^2+x^2+y^2+z^2 
               with 0<w<x<y<z.
%H A004433 T. D. Noe, <a href="b004433.txt">Table of n, a(n) for n=1..1000</a>
%H A004433 <a href="Sindx_Su.html#ssq">Index entries for sequences related to sums 
               of squares</a>
%e A004433 30 = 1^2+2^2+3^2+4^2.
%Y A004433 Cf. A001944, A001995.
%Y A004433 Sequence in context: A051657 A130038 A001995 this_sequence A025376 A152616 
               A103250
%Y A004433 Adjacent sequences: A004430 A004431 A004432 this_sequence A004434 A004435 
               A004436
%K A004433 nonn,easy,nice
%O A004433 1,1
%A A004433 N. J. A. Sloane (njas(AT)research.att.com).