%I #13 Sep 11 2020 04:07:44
%S 2,1,1,1,1,3,5,1,27,41,19,565,1,7085,25,3,1266205,9,9099507,17602325,
%T 1,128207979,1657009,26494256091,172961,331,11147523830125,
%U 84179432287299,2405,145,297758653049289,9007199254741,1,281629680514649643,125400505,4246732448623781667,113
%N a(n) = (2^A195610(n) + 1)/A014657(n), for n >= 1.
%Y Cf. A014657, A195610.
%K nonn
%O 1,1
%A _Wolfdieter Lang_, Aug 22 2020