A129793 a(n) = ceiling(9^n/n).

9, 41, 243, 1641, 11810, 88574, 683282, 5380841, 43046721, 348678441, 2852823601, 23535794707, 195528140641, 1634056603926, 13726075472977, 115813761803241, 981010688215681, 8338590849833285, 71097458824894321

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Table[Ceiling[9^n/n], {n, 20}] (* Harvey P. Dale, Oct 04 2016 *)

Prog

(Magma) [Ceiling(9^n/n):n in [1..20]]; // Vincenzo Librandi, Oct 03 2011

Crossrefs

Cf. A053638.

Sequence in context: A083085 A147283 A171422 * A304361 A146878 A177259

Adjacent sequences: A129790 A129791 A129792 * A129794 A129795 A129796

Keyword

nonn,easy

Author

Mohammad K. Azarian, May 18 2007

Status

approved