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
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Crossrefs
Cf. A053638.
Programs
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Magma
[Ceiling(9^n/n):n in [1..20]]; // Vincenzo Librandi, Oct 03 2011
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Mathematica
Table[Ceiling[9^n/n],{n,20}] (* Harvey P. Dale, Oct 04 2016 *)