A109567 a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 13, Prime[n]]

15683, 28229, 45893, 48679, 59281, 60539, 74959, 86869, 100853

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