0,1

a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 7, Prime[n], {}], {n, 1, 400}]]

Cf. A001359.

Adjacent sequences: A109558 A109559 A109560 this_sequence A109562 A109563 A109564

Sequence in context: A006243 A128312 A106628 this_sequence A031930 A142232 A142682

nonn

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 27 2005