This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A110287 #37 Jan 05 2023 03:11:52 %S A110287 17,34,68,136,272,544,1088,2176,4352,8704,17408,34816,69632,139264, %T A110287 278528,557056,1114112,2228224,4456448,8912896,17825792,35651584, %U A110287 71303168,142606336,285212672,570425344,1140850688,2281701376,4563402752,9126805504,18253611008 %N A110287 a(n) = 17*2^n. %C A110287 The first differences are the sequence itself. Doubling the terms gives the same sequence (beginning one step further). %C A110287 17 times powers of 2. - _Omar E. Pol_, Dec 17 2008 %H A110287 Vincenzo Librandi, <a href="/A110287/b110287.txt">Table of n, a(n) for n = 0..235</a> %H A110287 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A110287 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (2). %F A110287 G.f.: 17/(1-2*x). - _Philippe Deléham_, Nov 23 2008 %F A110287 a(n) = 17*A000079(n). - _Omar E. Pol_, Dec 17 2008 %F A110287 a(n) = 2*a(n-1) (with a(0)=17). - _Vincenzo Librandi_, Dec 26 2010 %F A110287 a(n) = A173786(n+4, n) for n>3. - _Reinhard Zumkeller_, Feb 28 2010 %F A110287 E.g.f.: 17*exp(2*x). - _G. C. Greubel_, Jan 05 2023 %t A110287 17*2^Range[0, 60] (* _Vladimir Joseph Stephan Orlovsky_, Jun 09 2011 *) %t A110287 NestList[2#&,17,30] (* _Harvey P. Dale_, Jul 21 2014 *) %o A110287 (Magma) [17*2^n: n in [0..40]]; // _Vincenzo Librandi_, Apr 28 2011 %o A110287 (PARI) a(n)=17*2^n \\ _Charles R Greathouse IV_, Oct 07 2015 %o A110287 (SageMath) [17*2^n for n in range(51)] # _G. C. Greubel_, Jan 05 2023 %Y A110287 Sequences of the form (2*m+1)*2^n: A000079 (m=0), A003945 (m=1), A020714 (m=2), A005009 (m=3), A005010 (m=4), A005015 (m=5), A005029 (m=6), A110286 (m=7), this sequence (m=8), A110288 (m=9), A175805 (m=10), A248646 (m=11), A164161 (m=12), A175806 (m=13), A257548 (m=15). %Y A110287 Cf. A007283. %K A110287 easy,nonn %O A110287 0,1 %A A110287 _Alexandre Wajnberg_, Sep 07 2005 %E A110287 Edited by _Omar E. Pol_, Dec 16 2008