%I
%S 2,3,5,17,23,89,257,353,1409,2663,30977,65537,170369,495617,5767169,
%T 23068673,59969537,82458113,453519617,3429742097,4715895383,
%U 15352201217,39909726209,1857616347137,45732811767809,96757023244289
%N Primes of the form 2^r*11^s + 1.
%C Primes p such that p1 has at most one odd prime divisor 11.
%Y Cf. A005109, A077497, A077498, A077500.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Nov 07 2002
%E More terms from _Ray Chandler_, Aug 02 2003
