%I A105460
%S A105460 37,59,101,157,311,557,971,2111,4909,10457,23099,50359,109589,235577,
%T A105460 506281,1065013,2249609,4745963,10010479
%N A105460 The 2^n-th irregular prime.
%t A105460 ip={ the list of irregular primes to 12 million }; Table[ ip[[2^n]], 
               {n, 0, 18}]
%Y A105460 Cf. A033844, A105456, A105465.
%Y A105460 Sequence in context: A090798 A000928 A073276 this_sequence A141851 A105461 
               A032627
%Y A105460 Adjacent sequences: A105457 A105458 A105459 this_sequence A105461 A105462 
               A105463
%K A105460 hard,nonn
%O A105460 1,1
%A A105460 Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 07 2005