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A154304 Primes of the form : 1/x+2/x+3/x+4/x+5/x+6/x+7/x+..., x=210. 6
3, 17, 47, 419, 421 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

lst={}; s=0; Do[s+=n/210; If[Floor[s]==s, If[PrimeQ[s], AppendTo[lst, s]]], {n, 0, 6*9!}]; lst

CROSSREFS

Cf. A057570, A154293, A154296 - A154303.

Sequence in context: A117012 A162291 A095697 * A144640 A084069 A132124

Adjacent sequences:  A154301 A154302 A154303 * A154305 A154306 A154307

KEYWORD

nonn,fini,full

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 06 2009

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Last modified February 14 08:58 EST 2012. Contains 205614 sequences.