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%I #11 Mar 11 2020 09:57:10
%S 2,3,4,5,6,7,8,9,10,11,12,14,16,18,20,24,26,27,30,31,37,38,40,46,48,
%T 50,55,56,58,60,62,63,64,66,67,70,71,72,73,74,78,81,85,88,89,92,95,98,
%U 102,109,113,114,116,120,121,122,130,133,134,135,136,140,144,147,148,152
%N Numbers n such that 3*prime(n) + 2*prime(n+1) is prime.
%H Robert Israel, <a href="/A096902/b096902.txt">Table of n, a(n) for n = 1..10000</a>
%e a(3)=4 since 3*prime(4)+2*prime(5) = 3*7 + 2*11 = 43 is prime.
%p select(n -> isprime(3*ithprime(n)+2*ithprime(n+1)), [$1..200]); # _Robert Israel_, Mar 11 2020
%t Position[Partition[Prime[Range[200]],2,1],_?(PrimeQ[3#[[1]]+2#[[2]]]&),{1},Heads->False]//Flatten (* _Harvey P. Dale_, Apr 23 2016 *)
%Y Cf. A096218 for resulting primes.
%K nonn
%O 1,1
%A _Ray Chandler_, Jul 31 2004