A076958 Number of primes p with 2^n < p < 3^n.

0, 2, 5, 16, 42, 111, 296, 793, 2130, 5796, 15788, 43370, 119711, 332449, 927748, 2600623, 7319908, 20677806, 58604898, 166595953, 474868192, 1356904893, 3885983995, 11151740822, 32062866197, 92345080709, 266390632933

Offset

1,2

Links

Table of n, a(n) for n=1..27.

Mathematica

Join[{0}, Table[PrimePi[3^n]-PrimePi[2^n], {n, 2, 28}]] (* Harvey P. Dale, Aug 06 2019 *)

Crossrefs

See A163825 for another version.

Cf. A007053, A055729.

Sequence in context: A054971 A124720 A188947 * A163825 A102866 A148368

Adjacent sequences: A076955 A076956 A076957 * A076959 A076960 A076961

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