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A110287 17*2^n. 6
17, 34, 68, 136, 272, 544, 1088, 2176, 4352, 8704, 17408, 34816, 69632, 139264, 278528, 557056, 1114112, 2228224, 4456448, 8912896, 17825792, 35651584, 71303168, 142606336, 285212672, 570425344, 1140850688, 2281701376, 4563402752, 9126805504, 18253611008 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The first differences are the sequence itself. Doubling the terms gives the same sequence (beginning one step further).

17 times powers of 2. - Omar E. Pol, Dec 17 2008

a(n) = A173786(n+4,n) for n>3. - Reinhard Zumkeller, Feb 28 2010

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..235

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (2).

FORMULA

G.f.: 17/(1-2x). - Philippe Deléham, Nov 23 2008

a(n) = A000079(n)*17. - Omar E. Pol, Dec 17 2008

a(n)=2*a(n-1) (with a(0)=17). - Vincenzo Librandi, Dec 26 2010

MATHEMATICA

17*2^Range[0, 60] (* Vladimir Joseph Stephan Orlovsky, Jun 09 2011 *)

NestList[2#&, 17, 30] (* Harvey P. Dale, Jul 21 2014 *)

PROG

(Magma) [17*2^n: n in [0..40]]; // Vincenzo Librandi, Apr 28 2011

(PARI) a(n)=17*2^n \\ Charles R Greathouse IV, Oct 07 2015

CROSSREFS

Cf. A007283, A020714, A005009, A005010, A005015, A005029, A000079.

Sequence in context: A249988 A098365 A033899 * A102813 A271536 A041568

Adjacent sequences: A110284 A110285 A110286 * A110288 A110289 A110290

KEYWORD

easy,nonn

AUTHOR

Alexandre Wajnberg, Sep 07 2005

EXTENSIONS

Edited by Omar E. Pol, Dec 16 2008

STATUS

approved

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Last modified December 5 16:58 EST 2022. Contains 358588 sequences. (Running on oeis4.)