A008596 Multiples of 14.
0, 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280, 294, 308, 322, 336, 350, 364, 378, 392, 406, 420, 434, 448, 462, 476, 490, 504, 518, 532, 546, 560, 574, 588, 602, 616, 630, 644, 658, 672, 686, 700, 714, 728
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..1000
- Tanya Khovanova, Recursive Sequences.
- INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 326.
- Index entries for linear recurrences with constant coefficients, signature (2,-1).
Programs
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Mathematica
Range[0, 1000, 14] (* Vladimir Joseph Stephan Orlovsky, May 31 2011 *) CoefficientList[Series[14 x / (x - 1)^2, {x, 0, 60}], x] (* Vincenzo Librandi, Jun 10 2013 *)
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PARI
a(n)=14*n \\ Charles R Greathouse IV, Sep 28 2015
Formula
From R. J. Mathar, Jun 23 2009: (Start)
a(n) = 14*n.
a(n) = 2*a(n-1) - a(n-2).
G.f.: 14*x/(x-1)^2. (End)
From Elmo R. Oliveira, Apr 08 2025: (Start)
E.g.f.: 14*x*exp(x).