%I
%S 1,3,4,5,7,14,9,6,57,13,18,17,16,12,20,82,42,21,45,78,98,33,133,50,28,
%T 41,124,36,44,19,80,40,75,63,372,168,179,85,84,128,64,302,151,248,10,
%U 69,123,11,54,31,149,34,185,51,213,43,282,105,125,237,55,174,96,438,215,61
%N a(1) = 1. For n > 1, a(n) is the least unused number such that the concatenation a(n)a(n1)...a(2)a(1) is prime.
%C Is this a rearrangement of the natural numbers?
%Y Cf. A089710, A089711, A089561A089573.
%K base,nonn
%O 1,2
%A _Ray Chandler_, Nov 22 2003
%E Edited by _Charles R Greathouse IV_, Apr 29 2010
