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A022010 Initial members of prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20). 33
5639, 88799, 284729, 626609, 855719, 1146779, 6560999, 7540439, 8573429, 17843459, 19089599, 24001709, 42981929, 43534019, 69156539, 74266259, 79208399, 80427029, 84104549, 87988709, 124066079, 128469149, 144214319, 157131419, 208729049, 218033729 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms are congruent to 179 (modulo 210). - Matt C. Anderson, May 26 2015

LINKS

Matt C. Anderson and Dana Jacobsen, Table of n, a(n) for n = 1..10000 [first 1000 terms by Matt C. Anderson]

T. Forbes, Prime k-tuplets

MATHEMATICA

Select[Prime[Range[2 10^8]], Union[PrimeQ[# + {2, 8, 12, 14, 18, 20}]] == {True} &] (* Vincenzo Librandi, Oct 01 2015 *)

PROG

(Perl) use ntheory ":all"; say for sieve_prime_cluster(1, 1e9, 2, 8, 12, 14, 18, 20); # Dana Jacobsen, Sep 30 2015

(MAGMA) [p: p in PrimesUpTo(3*10^8) | forall{p+r: r in [2, 8, 12, 14, 18, 20] | IsPrime(p+r)}]; // Vincenzo Librandi, Oct 01 2015

(PARI) forprime(p=2, 10^30, if (isprime(p+2) && isprime(p+8) && isprime(p+12) && isprime(p+14) && isprime(p+18) && isprime(p+20), print1(p", "))) \\ Altug Alkan, Oct 01 2015

CROSSREFS

Sequence in context: A045128 A229591 A161193 * A201252 A247402 A184080

Adjacent sequences:  A022007 A022008 A022009 * A022011 A022012 A022013

KEYWORD

nonn

AUTHOR

Warut Roonguthai

EXTENSIONS

More terms from a Maple program by Matt C. Anderson, Dec 05 2013

STATUS

approved

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Last modified December 6 00:38 EST 2016. Contains 278771 sequences.