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A013767 a(n) = 20^(3*n + 2). 1
400, 3200000, 25600000000, 204800000000000, 1638400000000000000, 13107200000000000000000, 104857600000000000000000000, 838860800000000000000000000000, 6710886400000000000000000000000000, 53687091200000000000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

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 (8000).

MATHEMATICA

NestList[8000#&, 400, 10] (* Harvey P. Dale, May 11 2018 *)

PROG

(MAGMA) [20^(3*n+2): n in [0..10]]; // Vincenzo Librandi, Jun 27 2011

(PARI) a(n)=20^(3*n+2) \\ Charles R Greathouse IV, Jul 10 2016

CROSSREFS

Subsequence of A009964.

Sequence in context: A151652 A197441 A268366 * A013895 A296904 A159890

Adjacent sequences:  A013764 A013765 A013766 * A013768 A013769 A013770

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 19 19:28 EST 2018. Contains 317364 sequences. (Running on oeis4.)