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A109567 a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 13, Prime[n]] 0
15683, 28229, 45893, 48679, 59281, 60539, 74959, 86869, 100853 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..8.

MATHEMATICA

a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 13, Prime[n], {}], {n, 1, 10000}]]

CROSSREFS

Cf. A001359.

Sequence in context: A165612 A206747 A075043 * A075050 A134121 A177949

Adjacent sequences:  A109564 A109565 A109566 * A109568 A109569 A109570

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jun 27 2005

STATUS

approved

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Last modified May 18 05:16 EDT 2021. Contains 343994 sequences. (Running on oeis4.)