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A154317 Numbers n such that nonprime(prime(n))+n is prime. 0

%I #4 Mar 30 2012 18:52:31

%S 1,3,15,17,19,22,25,37,47,77,82,91,97,98,104,110,135,136,139,147,157,

%T 159,162,180,190,197,233,237,239,249,260,266,270,278,282,293,299,310,

%U 316,327,334,346,353,369,380,402,404,413,415,417,426,429,452,474,489

%N Numbers n such that nonprime(prime(n))+n is prime.

%C Where n-th nonprime is A141468(n): 0, 1, 4, 6, ....

%K nonn,easy,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Jan 07 2009

%E Corrected and rewritten by _Charles R Greathouse IV_, Apr 01 2010

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)