A136066 Mother primes of order 7.

31, 61, 151, 181, 241, 271, 331, 421, 541, 601, 631, 691, 991, 1051, 1171, 1231, 1321, 1531, 1621, 1951, 2221, 2251, 2341, 2671, 2851, 2971, 3331, 3391, 3571, 3931, 4021, 4051, 4201, 4231, 4591, 4651, 4951, 5281, 5581, 5821, 6121, 6271, 6301, 6451, 6481

Offset: 1

Author

Artur Jasinski, Dec 12 2007

Keywords

• nonn

Comments

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. For mother primes of order 4 see A136063. For mother primes of order 5 see A136064. For mother primes of order 6 see A136065.

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A088878, A091180, A136019, A136020, A136061, A136062, A136063, A136064, A136065, A136067, A136068, A136069, A136070.

Programs

Mathematica

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