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A022007
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Initial members of prime quintuplets (p, p+4, p+6, p+10, p+12).
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44
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7, 97, 1867, 3457, 5647, 15727, 16057, 19417, 43777, 79687, 88807, 101107, 257857, 266677, 276037, 284737, 340927, 354247, 375247, 402757, 419047, 427237, 463447, 470077, 626617, 666427, 736357, 823717, 855727, 959467
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| T. D. Noe and Moshe Levin, Table of n, a(n) for n = 1..10000 (First 1000 terms from T. D. Noe.)
T. Forbes, Prime k-tuplets
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FORMULA
| a(n)=7+30*A089157(n). - Moshe Levin, Nov 01 2011.
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MATHEMATICA
| lst={}; Do[p=Prime[n]; If[PrimeQ[p+4]&&PrimeQ[p+6]&&PrimeQ[p+10]&&PrimeQ[p+12], AppendTo[lst, p]], {n, 9!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 25 2008]
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PROG
| (PARI) forprime(p=2, 1e5, if(isprime(p+4)&&isprime(p+6)&&isprime(p+10)&&isprime(p+12), print1(p", "))) \\ Charles R Greathouse IV, Jul 15 2011
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CROSSREFS
| Cf. A089157.
Sequence in context: A188441 A178808 A083083 * A174516 A058805 A132061
Adjacent sequences: A022004 A022005 A022006 * A022008 A022009 A022010
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KEYWORD
| nonn
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AUTHOR
| Warut Roonguthai (warut822(AT)yahoo.com)
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