This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A077080 #7 Mar 16 2015 12:09:00
%S A077080 1,2,2,6,4,6,6,18,18,10,10,16,12,8,16,24,16,24,18,20,20,22,22,32,32,
%T A077080 18,28,32,28,32,30,78,32,24,24,102,36,24,32,52,40,36,42,48,32,46,46,
%U A077080 48,60,112,48,60,52,44,48,48,56,58,58,88,60,36,48,104,40,80,66,78,48,48,70
%N A077080 a(n) = phi(sigma(n) + phi(n)) = A000010(A000203(n) + A000010(n)) = A000010(A065387(n)).
%t A077080 Table[EulerPhi[DivisorSigma[1,n]+EulerPhi[n]],{n,80}] (* _Harvey P. Dale_, Mar 16 2015 *)
%o A077080 (PARI) a(n)=eulerphi(sigma(n)+eulerphi(n)) \\ _Charles R Greathouse IV_, Feb 14 2013
%Y A077080 Cf. A000010, A000203, A065387, A077081-A077085.
%K A077080 nonn
%O A077080 1,2
%A A077080 _Labos Elemer_, Oct 28 2002