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A136066 Mother primes of order 7. 11
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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

Table of n, a(n) for n=1..45.

MATHEMATICA

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

CROSSREFS

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

Sequence in context: A128470 A195744 A132230 * A282326 A114991 A225874

Adjacent sequences:  A136063 A136064 A136065 * A136067 A136068 A136069

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 12 2007

STATUS

approved

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Last modified October 15 01:40 EDT 2019. Contains 328025 sequences. (Running on oeis4.)