%I A097446
%S A097446 233,355,577,71111,111313,131717,171919,192323,232929,293131,313737,
%T A097446 374141,414343,434747,475353,535959,596161,616767,677171,717373,737979,
%U A097446 798383,838989,899797,97101101,101103103,103107107,107109109,109113113
%N A097446 Concatenate consecutive prime-sided isosceles triangles.
%F A097446 Consider triangles with sides (2, 3, 3), (3, 5, 5), .., (x, y, y) where 
               x is prime and y is the next prime after x. Concatenate these sides 
               for output.
%e A097446 For side x = 7, y = 11 to get concatenate 71111.
%o A097446 (PARI) f(n) = for(x=1,n,y=Str(prime(x));y=concat(y,concat(Str(prime(x+1)),
               Str(prime (x+1))));print1(y","))
%Y A097446 Sequence in context: A160574 A087862 A141280 this_sequence A154621 A142644 
               A097447
%Y A097446 Adjacent sequences: A097443 A097444 A097445 this_sequence A097447 A097448 
               A097449
%K A097446 nonn
%O A097446 2,1
%A A097446 Cino Hilliard (hillcino368(AT)gmail.com), Aug 23 2004