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A013781 4^(4n+3). 1
64, 16384, 4194304, 1073741824, 274877906944, 70368744177664, 18014398509481984, 4611686018427387904, 1180591620717411303424, 302231454903657293676544, 77371252455336267181195264, 19807040628566084398385987584 (list; graph; refs; listen; history; text; internal format)
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 (256).

FORMULA

a(n)=256*a(n-1), n>0 ; a(0)=64 . G.f.: 64/(1-256*x). a(n)=4*A013721(n). [From Philippe Deléham, Nov 27 2008]

PROG

(MAGMA) [4^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jun 04 2011

(Maxima) makelist(4^(4*n+3), n, 0, 20); [Martin Ettl, Oct 21 2012]

CROSSREFS

Sequence in context: A123051 A064068 A220853 * A187407 A271241 A283536

Adjacent sequences:  A013778 A013779 A013780 * A013782 A013783 A013784

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 23 03:42 EDT 2017. Contains 290958 sequences.