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A136084
Son primes of order 7.
15
3, 5, 11, 17, 23, 29, 31, 37, 43, 47, 53, 61, 67, 73, 83, 103, 107, 113, 131, 137, 139, 163, 173, 179, 181, 191, 193, 197, 199, 223, 229, 251, 269, 271, 281, 283, 293, 311, 353, 359, 367, 389, 401, 419, 421, 439, 443, 457, 463, 467, 499, 503, 509, 521, 547, 557
OFFSET
1,1
COMMENTS
For smallest son primes of order n see A136027 (also definition). For son primes of order 1 see A023208. For son primes of order 2 see A023218. For son primes of order 3 see A023225. For son primes of order 4 see A023235. For son primes of order 5 see A136082. For son primes of order 6 see A136083.
LINKS
MATHEMATICA
n = 7; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, (Prime[k] - 2n)/(2n + 1)]], {k, 1, 1000}]; a
q=14; lst={}; Do[p=Prime[n]; If[PrimeQ[(q+1)*p+q], AppendTo[lst, p]], {n, 6!}]; lst (* Vladimir Joseph Stephan Orlovsky, Mar 10 2009 *)
KEYWORD
nonn
AUTHOR
Artur Jasinski, Dec 12 2007
STATUS
approved