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A104152 Numbers n such that n77 is prime and n is a multiple of ten. 2

%I #10 Jan 26 2020 11:01:19

%S 50,150,170,180,240,270,290,320,410,450,500,530,570,590,600,720,740,

%T 800,810,830,860,920,930,1020,1070,1140,1200,1230,1340,1350,1370,1380,

%U 1460,1490,1500,1520,1530,1580,1670,1710,1740,1800,1850,1950,1970,2060,2150,2180,2210,2250,2280,2300

%N Numbers n such that n77 is prime and n is a multiple of ten.

%H Daniel Starodubtsev, <a href="/A104152/b104152.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[10*Range[250],PrimeQ[100#+77]&] (* _Harvey P. Dale_, Feb 28 2015 *)

%Y Cf. A102611.

%K base,nonn

%O 1,1

%A _Parthasarathy Nambi_, Mar 08 2005

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Last modified April 24 19:52 EDT 2024. Contains 371963 sequences. (Running on oeis4.)