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Father primes of order 7.
10

%I #5 Mar 16 2020 10:00:44

%S 59,89,179,269,359,449,479,569,659,719,809,929,1019,1109,1259,1559,

%T 1619,1709,1979,2069,2099,2459,2609,2699,2729,2879,2909,2969,2999,

%U 3359,3449,3779,4049,4079,4229,4259,4409,4679,5309,5399,5519,5849,6029,6299,6329

%N Father primes of order 7.

%C For smallest father primes of order n see A136026 (also definition). For father primes of order 1 see A094524. For father primes of order 2 see A136071. For father primes of order 3 see A136072. For father primes of order 4 see A136073. For father primes of order 5 see A136074. For father primes of order 6 see A136075.

%H Amiram Eldar, <a href="/A136076/b136076.txt">Table of n, a(n) for n = 1..10000</a>

%t n = 7; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a

%Y Cf. A023208, A094524, A136019, A136020, A136026, A136027, A136071, A136072, A136073, A136074, A136075, A136077, A136078, A136079, A136080.

%K nonn

%O 1,1

%A _Artur Jasinski_, Dec 12 2007