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A025360 Numbers that are the sum of 4 nonzero squares in exactly 4 ways. 1


%S 52,58,63,70,76,84,87,91,93,97,98,105,119,123,139,140,141,142,146,155,

%T 158,185,197,206,208,221,232,233,269,280,281,304,336,392,560,568,584,

%U 632,824,832,928,1120,1216,1344,1568,2240,2272,2336,2528,3296,3328,3712,4480

%N Numbers that are the sum of 4 nonzero squares in exactly 4 ways.

%H Robert Price, <a href="/A025360/b025360.txt">Table of n, a(n) for n = 1..77</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareNumber.html">Square Number.</a>

%H <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>

%K nonn

%O 1,1

%A _David W. Wilson_

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Last modified November 21 15:35 EST 2017. Contains 295002 sequences.