%I #19 Feb 12 2021 06:22:57
%S 6,12,30,68,96,264,368,2064,4240,4636,6588,7276,10272,11800,36600,
%T 188544,251648,415000,1296640,3113472,50202624,201068544,16097947360,
%U 17177182208,25876667904,85895741440
%N Numbers k such that phi(k) + 10 | sigma(k).
%C a(27) > 10^12. - _Donovan Johnson_, Feb 28 2012
%t Select[Range[1000000],Divisible[DivisorSigma[1,#],EulerPhi[#]+10]&] (* _Harvey P. Dale_, Jul 17 2011 *)
%Y Cf. A000010, A000203.
%K nonn
%O 1,1
%A _Robert G. Wilson v_
%E More terms from _Harvey P. Dale_, Jul 17 2011
%E Offset corrected and a(19)-a(26) from _Donovan Johnson_, Feb 28 2012