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Numbers n such that n is a prime and sum of all lucky numbers <= n is a prime.
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%I #8 Oct 10 2019 00:32:30

%S 3,31,37,173,179,293,353,383,389,397,409,467,491,547,691,733,761,829,

%T 883,911,953,967,1129,1259,1279,1291,1307,1319,1373,1399,1433,1447,

%U 1459,1531,1543,1607,1627,1669,1693,1697,1709,1777,1787,1811,1871,1907

%N Numbers n such that n is a prime and sum of all lucky numbers <= n is a prime.

%Y Cf. A013917, A000959.

%K nonn

%O 1,1

%A _Patrick De Geest_, Jun 15 1998