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%I #11 Jun 13 2015 00:53:28
%S 1,0,1,9,4,25,49,16,81,121,36,169,225,64,289,361,100,441,529,144,625,
%T 729,196,841,961,256,1089,1225,324,1369,1521,400,1681,1849,484,2025,
%U 2209,576,2401,2601,676,2809,3025,784,3249,3481,900,3721,3969,1024,4225,4489,1156,4761,5041,1296,5329
%N A173039(n) + A173259(n).
%C A permutation of the squared A023443, or -- if a(1) is discarded to avoid duplication -- of A000290.
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,3,0,0,-3,0,0,1).
%F a(n)= +3*a(n-3) -3*a(n-6) +a(n-9).
%F G.f.: -x*(1+x^2+6*x^3+4*x^4+22*x^5+25*x^6+4*x^7+9*x^8) / ( (x-1)^3*(1+x+x^2)^3 ).
%F a(3n+2) = A016742(n). a(3n) = A016754(2n). a(3n+1) = A016754(2n-1).
%K nonn,easy
%O 1,4
%A _Paul Curtz_, Nov 23 2010
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