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 A017017 a(n) = 7*n + 3. 23
 3, 10, 17, 24, 31, 38, 45, 52, 59, 66, 73, 80, 87, 94, 101, 108, 115, 122, 129, 136, 143, 150, 157, 164, 171, 178, 185, 192, 199, 206, 213, 220, 227, 234, 241, 248, 255, 262, 269, 276, 283, 290, 297, 304, 311, 318, 325, 332, 339, 346, 353, 360, 367, 374, 381 (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 From G. C. Greubel, Oct 17 2023: (Start) G.f.: (3 + 4*x)/(1 - x)^2. E.g.f.: (3 + 7*x)*exp(x). (End) MAPLE A017017:=n->7*n + 3; seq(A017017(n), n=0..100); # Wesley Ivan Hurt, Feb 24 2014 MATHEMATICA Range[3, 600, 7] (* Vladimir Joseph Stephan Orlovsky, May 27 2011 *) PROG (Magma) [7*n+3: n in [0..60]]; // Vincenzo Librandi, May 28 2011 (PARI) a(n)=7*n+3 \\ Charles R Greathouse IV, Jul 02 2013 (SageMath) [7*n+3 for n in range(80)] # G. C. Greubel, Oct 17 2023 CROSSREFS Cf. A008589, A016993, A017005. Sequence in context: A025395 A047702 A219726 * A297665 A309347 A273235 Adjacent sequences: A017014 A017015 A017016 * A017018 A017019 A017020 KEYWORD nonn,easy AUTHOR N. J. A. Sloane STATUS approved

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Last modified September 15 16:35 EDT 2024. Contains 375938 sequences. (Running on oeis4.)