%I #7 Oct 06 2019 18:23:51
%S 11,13,17,19,31,43,47,59,61,73,97,109,131,163,167,179,181,193,197,199,
%T 211,223,227,229,241,263,277,349,401,433,457,479,491,503,547,569,571,
%U 593,607,619,631,643,647,659,661,673,677,709,751,773,787,809
%N Primes in which 'last digit cycle' is {1,3,7,9}.
%K nonn,base,less
%O 1,1
%A _Patrick De Geest_, Apr 15 1998
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