A129787 Ceiling(3^n/n).
3, 5, 9, 21, 49, 122, 313, 821, 2187, 5905, 16105, 44287, 122641, 341641, 956594, 2690421, 7596481, 21523361, 61171657, 174339221, 498112058, 1426411801, 4093181689, 11767897354, 33891544378, 97764070321, 282429536481
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Crossrefs
Cf. A053638.
Programs
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Magma
[Ceiling(3^n / n): n in [1..35]]; // Vincenzo Librandi, Feb 12 2013
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Mathematica
Table[Ceiling[3^n / n], {n, 30}] (* Vincenzo Librandi, Feb 12 2013 *)