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A134124 Primes p such that q-p = 50, where q is the next prime after p. 4
31907, 45893, 60539, 69263, 95651, 112691, 162293, 167543, 172883, 181553, 197837, 206699, 212507, 220613, 225167, 246839, 272813, 274529, 291569, 293021, 298943, 334793, 338609, 345329, 349241, 355211, 362801, 368957, 369419, 380657 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Index entries for primes, gaps between

FORMULA

a(n) >> n log^2 n. - Charles R Greathouse IV, Sep 14 2015

MAPLE

a:=proc(n) if nextprime(ithprime(n))-ithprime(n)=50 then ithprime(n) else end if end proc: seq(a(n), n=1..40000); - Emeric Deutsch, Oct 24 2007

MATHEMATICA

Transpose[Select[Partition[Prime[Range[40000]], 2, 1], #[[2]]-#[[1]] == 50&]][[1]] (* Harvey P. Dale, Feb 27 2015 *)

PROG

(PARI) is(n)=nextprime(n+1)==n+50 && isprime(n) \\ Charles R Greathouse IV, Sep 14 2015

CROSSREFS

Cf. A134123.

Sequence in context: A278013 A140939 A237165 * A203738 A234995 A236587

Adjacent sequences:  A134121 A134122 A134123 * A134125 A134126 A134127

KEYWORD

nonn

AUTHOR

Rick L. Shepherd, Oct 08 2007

STATUS

approved

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Last modified September 24 21:29 EDT 2017. Contains 292441 sequences.