%I A100580
%S A100580 11,101,100111001,110111011,111010111,1100011100011,1100101010011,
%T A100580 1101010101011,1110110110111,1110111110111,100110101011001,
%U A100580 101000010000101,101011000110101,101110000011101,110011101110011
%N A100580 Palindromic primes containing digits 0 and 1 only. (Palindromic members 
               of A020449.).
%H A100580 T. D. Noe, <a href="b100580.txt">Table of n, a(n) for n=1..200</a>
%e A100580 a(3) = 100111001 because 100111001 is the third palindromic prime composed 
               only of 1's and 0's.
%Y A100580 Cf. A020449, A002385, A000040, A002113.
%Y A100580 Sequence in context: A156668 A103992 A001387 this_sequence A087744 A054421 
               A037700
%Y A100580 Adjacent sequences: A100577 A100578 A100579 this_sequence A100581 A100582 
               A100583
%K A100580 base,nonn
%O A100580 1,1
%A A100580 Chuck Seggelin (seqfan(AT)plastereddragon.com), Nov 29 2004