A013754 a(n) = 14^(3*n + 1).
14, 38416, 105413504, 289254654976, 793714773254144, 2177953337809371136, 5976303958948914397184, 16398978063355821105872896, 44998795805848373114515226624, 123476695691247935826229781856256, 338820052976784335907174521413566464, 929722225368296217729286886758826377216
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..200
- Tanya Khovanova, Recursive Sequences
- Index entries for linear recurrences with constant coefficients, signature (2744).
Crossrefs
Subsequence of A001023.
Programs
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Magma
[14^(3*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 27 2011
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Mathematica
14^(3*Range[0,20]+1) (* or *) NestList[2744#&,14,20] (* Harvey P. Dale, May 16 2020 *)
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PARI
a(n)=14^(3*n+1) \\ Charles R Greathouse IV, Jun 27 2011
Formula
From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 2744*a(n-1); a(0)=14.
G.f.: 14/(1-2744*x).
a(n) = A013755(n)/14. (End)