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A138642 Primes of form 19*n-3. 1

%I

%S 73,149,263,491,643,719,757,947,1061,1213,1289,1327,1669,1783,1973,

%T 2011,2087,2239,2467,2543,2657,2999,3037,3607,3797,3911,4139,4177,

%U 4253,4481,4519,4861,4937,5051,5279,5393,5431,5507,5659,5849,6229,6343,6571,6761

%N Primes of form 19*n-3.

%H Harvey P. Dale, <a href="/A138642/b138642.txt">Table of n, a(n) for n = 1..1000</a>

%e 19*4-3=73, 19*8-3=149, 19*14-3=263, 19*26-3=491, ...

%t a={};Do[x=19*n-3;If[PrimeQ[x],AppendTo[a,x]],{n,10^2}];a

%t Select[19*Range[400]-3,PrimeQ] (* _Harvey P. Dale_, Feb 26 2014 *)

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, May 15 2008

%E More terms from _N. J. A. Sloane_, Jul 11 2008

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Last modified January 18 17:05 EST 2022. Contains 350455 sequences. (Running on oeis4.)