A109566 a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 12, Prime[n]]

16141, 36389, 37907, 69263, 73189, 86629, 95651, 103237

Offset

0,1

Links

Table of n, a(n) for n=0..7.

Mathematica

a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 12, Prime[n], {}], {n, 1, 10000}]]
Table[If[Floor[2*Mod[(Prime[n+1]-Prime[n])*PrimePi[n]/n, 8]]==12, Prime[n], Nothing], {n, 10000}] (* Harvey P. Dale, Dec 16 2024 *)

Crossrefs

Cf. A001359.

Sequence in context: A381002 A184405 A134120 * A235244 A236872 A031843

Adjacent sequences: A109563 A109564 A109565 * A109567 A109568 A109569

Keyword

nonn

Author

Roger L. Bagula, Jun 27 2005

Status

approved