%I
%S 22,25,26,32,51,57,115,135,136,145,189,203,217,297,517,583,689,767,
%T 793,1207,1241,1343,1411,1501,1577,1691,2231,2323,2369,2461,2507,2599,
%U 3683,3799,3937,3973,4031,4061,4247,4309,4619,4681,5513,5587,5809,6031,6179,6401
%N Solutions n of equation A064380(n)A000010(n)=4 in integers n>=2.
%C The sequence is infinite.
%D V. S. Shevelev, Multiplicative functions in the FermiDirac arithmetic, Izvestia Vuzov of the NorthCaucasus region, Nature sciences 4 (1996), 2843.
%H Amiram Eldar, <a href="/A186780/b186780.txt">Table of n, a(n) for n = 1..250</a>
%Y Cf. A000010, A064380, A176472, A176509, A186777, A186778, A186779.
%K nonn
%O 1,1
%A _Vladimir Shevelev_, Feb 26 2011
%E More terms from _Amiram Eldar_, Sep 14 2019
