%I #6 Jun 17 2013 18:35:46
%S 1,1,1,1,26,1,1,1,82,26,1,1,170,1,26,1,290,82,1,26,442,1,1,1,651,170,
%T 82,1,842,26,1,1,1090,290,26,82,1370,1,170,26,1682,442,1,1,2132,1,1,1,
%U 2402,651,290,170,2810,82,26,1,3250,842,1,26,3722,1
%N Sum_{d|n, d=1 mod 4} d^2.
%H Reinhard Zumkeller, <a href="/A050450/b050450.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o a050450 = sum . map (^ 2) . filter ((== 1) . (`mod` 4)) . a027750_row
%o -- _Reinhard Zumkeller_, Jun 17 2013
%Y Cf. A027750, A050453.
%K nonn
%O 1,5
%A _N. J. A. Sloane_, Dec 23 1999
|