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A154299 Primes of the form : 1/x+2/x+3/x+4/x+5/x+6/x+7/x+..., x=51. 0
3, 11, 101, 103 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Primes p of the form k*(k+1)/(2*51): there is a finite set of solutions to 2*3*17*p=k*(k+1). [R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 15 2010]

MATHEMATICA

lst={}; s=0; Do[s+=n/51; If[Floor[s]==s, If[PrimeQ[s], AppendTo[lst, s]]], {n, 0, 9!}]; lst

CROSSREFS

Cf. A057570, A154293, A154296 - A154304.

Sequence in context: A201425 A008561 A072640 * A007616 A121045 A092245

Adjacent sequences:  A154296 A154297 A154298 * A154300 A154301 A154302

KEYWORD

nonn,fini,full

AUTHOR

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

EXTENSIONS

Added keyword:fini,full - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 15 2010

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.