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A109562 a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 8, Prime[n]] 0
293, 1069, 1259, 1637, 2311, 2557 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..5.

MATHEMATICA

a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 8, Prime[n], {}], {n, 1, 400}]]

CROSSREFS

Cf. A001359.

Sequence in context: A142847 A142558 A217182 * A023305 A109182 A085502

Adjacent sequences:  A109559 A109560 A109561 * A109563 A109564 A109565

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jun 27 2005

STATUS

approved

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Last modified May 24 18:04 EDT 2013. Contains 225629 sequences.