A129791 a(n) = ceiling(7^n/n).
7, 25, 115, 601, 3362, 19609, 117649, 720601, 4483735, 28247525, 179756977, 1153440601, 7453000801, 48444505204, 316504100663, 2077058160601, 13684147881601, 90467422106137, 599941851861745, 3989613314880601
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Crossrefs
Cf. A053638.
Programs
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Magma
[Ceiling(7^n/n):n in [1..20]]; // Vincenzo Librandi, Oct 03 2011
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Mathematica
Table[Ceiling[7^n/n],{n,20}] (* Harvey P. Dale, May 22 2020 *)