A116023 - OEIS

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A116023

The n-th prime plus n gives a semiprime (A001358).

%I #4 Jun 19 2014 17:27:59

%S 10,12,14,15,16,19,20,21,23,25,30,31,36,37,38,39,40,44,52,54,56,57,58,

%T 60,62,67,74,75,77,80,83,84,86,88,90,99,107,111,115,120,124,136,140,

%U 145,146,154,156,160,162,164,165,166,168,174,175,182,189,192,195,196

%N The n-th prime plus n gives a semiprime (A001358).

%e p(30)+30=143=11*13.

%Y Cf. A001358, A116012, A116024, A014688

%K nonn

%O 1,1

%A _Giovanni Resta_, Feb 13 2006