%I #4 Dec 05 2013 19:55:05
%S 2,11,41,101,181,211,241,281,401,421,641,811,821,881,1021,1181,1201,
%T 1321,1481,1601,1621,1801,1811,2011,2081,2111,2141,2161,2221,2281,
%U 2411,2441,2801,3221,4001,4021,4111,4201,4211,4241,4421,4441,4481
%N Primes which can be expressed as concatenation of powers of 2 and 0's.
%e 1321 is a term as it is a concatenation of 1, 32 and 1 which are powers of 2.
%Y Cf. A066591, A066592.
%K base,easy,nonn
%O 1,1
%A _Amarnath Murthy_, Dec 21 2001
%E Corrected and extended by Christopher Lund (clund(AT)san.rr.com), Apr 14 2002