A013833 a(n) = 4^(5*n + 4).

256, 262144, 268435456, 274877906944, 281474976710656, 288230376151711744, 295147905179352825856, 302231454903657293676544, 309485009821345068724781056, 316912650057057350374175801344, 324518553658426726783156020576256

Offset

0,1

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).

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)

Mathematica

4^(5*Range[0, 10] + 4) (* Paul F. Marrero Romero, Sep 30 2024 *)

Prog

(Magma) [4^(5*n+4): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

Crossrefs

Cf. A000302 (4^n), A016897 (5*n+4).

Sequence in context: A118056 A185563 A220302 * A100636 A369824 A016796

Adjacent sequences: A013830 A013831 A013832 * A013834 A013835 A013836

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved