This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A017029 a(n) = 7*n + 4. 20
 4, 11, 18, 25, 32, 39, 46, 53, 60, 67, 74, 81, 88, 95, 102, 109, 116, 123, 130, 137, 144, 151, 158, 165, 172, 179, 186, 193, 200, 207, 214, 221, 228, 235, 242, 249, 256, 263, 270, 277, 284, 291, 298, 305, 312, 319, 326, 333, 340, 347, 354, 361, 368, 375, 382 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..5000 Tanya Khovanova, Recursive Sequences Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA G.f.: (3*x + 4)/(1-x)^2. - Vincenzo Librandi, Jan 27 2013 MATHEMATICA Range[4, 1000, 7] (* Vladimir Joseph Stephan Orlovsky, Jun 25 2009 *) CoefficientList[Series[(3*x + 4)/(1 - x)^2, {x, 0, 60}], x] (* Vincenzo Librandi, Jan 27 2013 *) PROG (MAGMA) [7*n + 4: n in [0..60]]; // Vincenzo Librandi, Jun 18 2011 (PARI) a(n)=7*n+4 \\ Charles R Greathouse IV, Jul 10 2016 CROSSREFS Cf. A008589, A016993, A017005, A017017. Cf. similar sequences with closed form (2*k-1)*n+k listed in A269044. Sequence in context: A025403 A047703 A242679 * A009873 A300744 A300743 Adjacent sequences:  A017026 A017027 A017028 * A017030 A017031 A017032 KEYWORD nonn,easy AUTHOR EXTENSIONS Extended by Ray Chandler, Jan 25 2005 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 15 03:09 EDT 2019. Contains 328025 sequences. (Running on oeis4.)