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A008596
Multiples of 14.
20
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
0,2
COMMENTS
a(n) = A033571(n) - A158186(n). - Reinhard Zumkeller, Mar 13 2009
FORMULA
a(n) = 14n = 2*a(n-1) - a(n-2). G.f.: 14x/(x-1)^2. - R. J. Mathar, Jun 23 2009
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 *)
PROG
(PARI) a(n)=14*n \\ Charles R Greathouse IV, Sep 28 2015
CROSSREFS
Sequence in context: A230310 A044854 A044899 * A033026 A044839 A033011
KEYWORD
nonn,easy
STATUS
approved