A092763 a(n) = floor(3^n / n).

3, 4, 9, 20, 48, 121, 312, 820, 2187, 5904, 16104, 44286, 122640, 341640, 956593, 2690420, 7596480, 21523360, 61171656, 174339220, 498112057, 1426411800, 4093181688, 11767897353, 33891544377, 97764070320, 282429536481

Offset: 1

Author

Reinhard Zumkeller, Apr 13 2004

Keywords

• nonn

Comments

a(n) = (A000244(n) - A066601(n))/n.

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..300

Crossrefs

Cf. A000799.

Programs

Magma

[Floor(3^n / n): n in [1..45]]; // Vincenzo Librandi, May 08 2011

Mathematica

Table[Floor[3^n/n],{n,30}] (* Harvey P. Dale, Jun 13 2013 *)