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 A017221 a(n) = 9*n + 5. 15
 5, 14, 23, 32, 41, 50, 59, 68, 77, 86, 95, 104, 113, 122, 131, 140, 149, 158, 167, 176, 185, 194, 203, 212, 221, 230, 239, 248, 257, 266, 275, 284, 293, 302, 311, 320, 329, 338, 347, 356, 365, 374, 383, 392, 401, 410, 419, 428, 437, 446, 455, 464, 473, 482 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Numbers whose digital root is 5. - Halfdan Skjerning, Mar 15 2018 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.: (5+4*x)/(x-1)^2. - R. J. Mathar, Mar 20 2018 MAPLE seq(9*w+5, w=0..100); # Matt C. Anderson, May 18 2017 MATHEMATICA Range[5, 1000, 9] (* Vladimir Joseph Stephan Orlovsky, May 28 2011 *) PROG (PARI) forstep(n=5, 500, 9, print1(n", ")) \\ Charles R Greathouse IV, May 28 2011 (MAGMA) [9*n+5: n in [0..60]]; // Vincenzo Librandi, Jul 24 2011 CROSSREFS Cf. A008591, A017209. Cf. similar sequences with closed form (2*k-1)*n+k listed in A269044. Sequence in context: A190514 A085950 A043473 * A052219 A044057 A147825 Adjacent sequences:  A017218 A017219 A017220 * A017222 A017223 A017224 KEYWORD nonn,easy AUTHOR STATUS approved

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