%I #4 Dec 05 2013 19:56:38
%S 1,3,7,21,27,39,101,169,239,247,263,291,381,391,447,489,509,531,619,
%T 699,821,981,1011,1267,1367,1483,1691,1777,2241,2351,2403,2859,4153,
%U 4793,5299,5513,5553,5673,5797,6813,7491,7721,7861,8073,8363,8409,9781,9879
%N Beginning with 1, numbers such that the differences a(k)-a(k-1) are distinct and every concatenation n>1 is prime.
%Y Cf. A090505.
%K base,nonn
%O 1,2
%A _Amarnath Murthy_, Dec 06 2003
%E Corrected and extended by _David Wasserman_, Dec 13 2005