OFFSET
1,2
MATHEMATICA
Join[{0}, Table[PrimePi[3^n]-PrimePi[2^n], {n, 2, 28}]] (* Harvey P. Dale, Aug 06 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 20 2002
EXTENSIONS
More terms from Ralf Stephan, Oct 31 2002
More terms from Vladeta Jovovic, Dec 22 2002
Edited by N. J. A. Sloane, Aug 07 2009
STATUS
approved