%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