A129799 a(n) = floor(9^n/n).

9, 40, 243, 1640, 11809, 88573, 683281, 5380840, 43046721, 348678440, 2852823600, 23535794706, 195528140640, 1634056603925, 13726075472976, 115813761803240, 981010688215680, 8338590849833284, 71097458824894320

Offset: 1

Author

Mohammad K. Azarian, May 18 2007

Keywords

• nonn

Links

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

Crossrefs

Cf. A000799, A092763, A053638.

Programs

Magma

[Floor(9^n / n): n in [1..25]]; // Vincenzo Librandi, May 08 2011