%I #13 Jul 08 2019 12:28:40
%S 2,3,5,3,13,5,7,73,5,241,433,13,577,7,1153,11,43,29,7,8641,41,11,7,
%T 30241,17,61,47,31,13,11,103681,73,161281,13,7,241921,19,41,293,11,17,
%U 1451521,31,2177281,83,2903041,11,4354561,109,5806081,13,8709121,9676801
%N Smallest prime factor of the n-th highly totient number (A097942(n)) plus 1.
%H Amiram Eldar, <a href="/A209195/b209195.txt">Table of n, a(n) for n = 1..109</a> (calculated from the b-file at A097942)
%F a(n) = A020639(A097942(n) + 1). - _Amiram Eldar_, Jul 08 2019
%Y Cf. A020639, A097942.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Mar 05 2012
%E More terms from _Amiram Eldar_, Jul 08 2019