A057849 Primes p whose order of primeness A078442(p) is at least 7.

709, 5381, 52711, 167449, 648391, 1128889, 2269733, 3042161, 4535189, 7474967, 9737333, 14161729, 17624813, 19734581, 23391799, 29499439, 37139213, 38790341, 50728129, 56011909, 59053067, 68425619, 77557187, 87019979, 101146501, 113256643, 119535373, 127065427

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Robert G. Wilson v)

R. G. Batchko, A prime fractal and global quasi-self-similar structure in the distribution of prime-indexed primes, arXiv preprint arXiv:1405.2900 [math.GM], 2014.

N. Fernandez, An order of primeness, F(p)

N. Fernandez, An order of primeness [cached copy, included with permission of the author]

Maple

a:= ithprime@@7;
seq(a(n), n=1..30);  # Alois P. Heinz, Jun 14 2015

Mathematica

Nest[ Prime, Range[35], 7] (* Robert G. Wilson v, Mar 15 2004 *)

Prog

(PARI) list(lim)=my(v=List(), q, r, s, t, u, vv); forprime(p=2, lim, if(isprime(q++) && isprime(r++) && isprime(s++) && isprime(t++) && isprime(u++) && isprime(vv++), listput(v, p))); Vec(v) \\ Charles R Greathouse IV, Feb 16 2017

Crossrefs

Cf. A078442, A000040, A006450, A038580, A049090, A049203, A049202, A057850, A057851, A057847, A058332, A093047.

Sequence in context: A216315 A059312 A114923 * A199091 A058324 A251290

Adjacent sequences: A057846 A057847 A057848 * A057850 A057851 A057852

Keyword

nonn

Author

Robert G. Wilson v, Nov 10 2000

Extensions

Name clarified by Andrew Howroyd, Nov 17 2024

Status

approved