A013833 a(n) = 4^(5*n + 4).
256, 262144, 268435456, 274877906944, 281474976710656, 288230376151711744, 295147905179352825856, 302231454903657293676544, 309485009821345068724781056, 316912650057057350374175801344, 324518553658426726783156020576256
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..100
- Tanya Khovanova, Recursive Sequences
- Index entries for linear recurrences with constant coefficients, signature (1024).
Programs
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Magma
[4^(5*n+4): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011
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Mathematica
4^(5*Range[0, 10] + 4) (* Paul F. Marrero Romero, Sep 30 2024 *) NestList[1024#&,256,20] (* Harvey P. Dale, Jun 06 2025 *)
Formula
From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 1024*a(n-1), n > 0; a(0)=256.
G.f.: 256/(1-1024*x).
a(n) = 4*A013832(n). (End)