A013832 a(n) = 4^(5*n + 3).

64, 65536, 67108864, 68719476736, 70368744177664, 72057594037927936, 73786976294838206464, 75557863725914323419136, 77371252455336267181195264, 79228162514264337593543950336, 81129638414606681695789005144064

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); a(0)=64.

G.f.: 64/(1-1024*x).

a(n) = 4*A013831(n). (End)

Mathematica

4^(5*Range[0, 20]+3) (* or *) NestList[1024#&, 64, 20] (* Harvey P. Dale, May 28 2013 *)

Prog

(Magma) [4^(5*n+3): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011
(Maxima) makelist(4^(5*n+3), n, 0, 20); /* Martin Ettl, Oct 21 2012 */
(PARI) a(n)=4^(5*n+3) \\ Charles R Greathouse IV, Jul 11 2016

Crossrefs

Sequence in context: A069445 A227604 A159677 * A320862 A034989 A187242

Adjacent sequences: A013829 A013830 A013831 * A013833 A013834 A013835

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved