OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
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
KEYWORD
nonn
AUTHOR
Rick L. Shepherd, Oct 08 2007
STATUS
approved