Search: id:A000132
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%I A000132
%S A000132 1,10,40,80,90,112,240,320,200,250,560,560,400,560,800,960,730,480,1240,
%T A000132 1520,752,1120,1840,1600,1200,1210,2000,2240,1600,1680,2720,3200,1480,
%U A000132 1440,3680,3040,2250,2800,3280,4160,2800,1920,4320,5040,2800,3472,5920
%N A000132 Number of ways of writing n as a sum of 5 squares.
%D A000132 E. Grosswald, Representations of Integers as Sums of Squares. Springer-Verlag, 
               NY, 1985, p. 128.
%D A000132 S. C. Milne, Infinite families of exact sums of squares formulas, Jacobi 
               elliptic functions, continued fractions and Schur functions, Ramanujan 
               J., 6 (2002), 7-149.
%H A000132 T. D. Noe, <a href="b000132.txt">Table of n, a(n) for n=0..10000</a>
%H A000132 <a href="Sindx_Su.html#ssq">Index entries for sequences related to sums 
               of squares</a>
%H A000132 S. Cooper, <a href="http://dx.doi.org/10.1023/A:1021175617574">Sums of 
               five, seven and nine squares</a>, Ramanujan J., vol 6, no. 4, (2002) 
               469-490.
%F A000132 G.f.: [sum x^(j^2),j=-infinity..+infinity]^5. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jul 31 2007
%p A000132 (sum(x^(m^2),m=-10..10))^5;
%t A000132 Needs["NumberTheory`NumberTheoryFunctions`"]; Table[SumOfSquaresR[5, 
               n], {n, 0, 46}] (*Chandler*)
%Y A000132 Sequence in context: A104045 A102546 A108777 this_sequence A060317 A033583 
               A131037
%Y A000132 Adjacent sequences: A000129 A000130 A000131 this_sequence A000133 A000134 
               A000135
%K A000132 nonn,easy
%O A000132 0,2
%A A000132 N. J. A. Sloane (njas(AT)research.att.com).
%E A000132 Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 28 2006

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