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A013831 4^(5n+2). 2
16, 16384, 16777216, 17179869184, 17592186044416, 18014398509481984, 18446744073709551616, 18889465931478580854784, 19342813113834066795298816, 19807040628566084398385987584, 20282409603651670423947251286016 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..70

Tanya Khovanova, Recursive Sequences

Index to sequences with linear recurrences with constant coefficients, signature (1024).

FORMULA

a(n)=1024*a(n-1), n>0 ; a(0)=16 . G.f.: 16/(1-1024*x). a(n)=4*A013830(n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 30 2008]

MATHEMATICA

lst={}; Do[AppendTo[lst, 4^(5*n+2)], {n, 0, 4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 02 2009]

PROG

(MAGMA) [4^(5*n+2): n in [0..40]]; // Vincenzo Librandi, Apr 25 2011

(PARI) a(n)=4^(5*n+2) \\ Charles R Greathouse IV, Jan 19 2012

CROSSREFS

Sequence in context: A167062 A017188 A168576 * A159387 A098175 A089232

Adjacent sequences:  A013828 A013829 A013830 * A013832 A013833 A013834

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.