Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #5 Mar 16 2020 09:59:28
%S 19,37,109,163,199,271,379,523,541,631,739,919,1009,1171,1459,1549,
%T 1621,1783,1999,2053,2089,2143,2161,2251,2521,2539,2791,2971,3169,
%U 3673,3889,3943,4159,4483,4519,4861,5059,5113,5563,5779,5869,5923,6211,6301,6373
%N Mother primes of order 4.
%C For smallest mother primes of order n see A136020 (also definition). For mother primes of order 1 see A091180. For mother primes of order 2 see A136061. For mother primes of order 3 see A136062.
%H Amiram Eldar, <a href="/A136063/b136063.txt">Table of n, a(n) for n = 1..10000</a>
%t n = 4; a = {}; Do[If[PrimeQ[(Prime[k] + 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a
%Y Cf. A088878, A091180, A136019, A136020, A136061, A136062, A136064, A136065, A136066, A136067, A136068, A136069, A136070.
%K nonn
%O 1,1
%A _Artur Jasinski_, Dec 12 2007