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%I #17 Sep 08 2022 08:45:28
%S 1,5,11,19,25,31,41,49,59,65,89,91,109,115,121,125,151,161,179,181,
%T 205,209,229,241,245,275,305,329,331,349,355,361,371,389,415,439,509,
%U 515,521,535,551,595,599,625,661,665,671,719,725,749,755,769,779,791,839
%N Numbers k such that 3k + 4 and 4k + 3 are primes.
%t Select[Range[850], PrimeQ[3# + 4] && PrimeQ[4# + 3] &] (* _Ray Chandler_, May 11 2007 *)
%o (Magma) [n: n in [0..1000] | IsPrime(3*n+4) and IsPrime(4*n+3)] // _Vincenzo Librandi_, Mar 26 2010
%Y Intersection of A034936 and A095278. Prime terms are in A106068.
%K nonn
%O 1,2
%A _Zak Seidov_, Nov 10 2006
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