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 A008600 Multiples of 18. 15
 0, 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216, 234, 252, 270, 288, 306, 324, 342, 360, 378, 396, 414, 432, 450, 468, 486, 504, 522, 540, 558, 576, 594, 612, 630, 648, 666, 684, 702, 720, 738, 756, 774, 792, 810, 828, 846, 864, 882, 900, 918, 936 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Tanya Khovanova, Recursive Sequences INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 330 Index entries for linear recurrences with constant coefficients, signature (2, -1). FORMULA G.f.: 18*x/(x-1)^2. - Vincenzo Librandi, Jun 10 2013 MATHEMATICA Range[0, 1000, 18] (* Vladimir Joseph Stephan Orlovsky, Jun 01 2011 *) CoefficientList[Series[18 x / (x - 1)^2, {x, 0, 60}], x] (* Vincenzo Librandi, Jun 10 2013 *) PROG (PARI) a(n)=18*n \\ Charles R Greathouse IV, Sep 24 2015 CROSSREFS Cf. A008598, A154612. Sequence in context: A166403 A004941 A004961 * A131766 A154575 A011799 Adjacent sequences:  A008597 A008598 A008599 * A008601 A008602 A008603 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified November 19 19:37 EST 2018. Contains 317364 sequences. (Running on oeis4.)