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 A139279 a(n) = 40*n - 32. 18
 8, 48, 88, 128, 168, 208, 248, 288, 328, 368, 408, 448, 488, 528, 568, 608, 648, 688, 728, 768, 808, 848, 888, 928, 968, 1008, 1048, 1088, 1128, 1168, 1208, 1248, 1288, 1328, 1368, 1408, 1448, 1488, 1528, 1568, 1608, 1648, 1688, 1728, 1768, 1808, 1848 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Multiples of 8 with unit digit equal to 8. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..2000 Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA a(n) = a(n-1) + 40. From G. C. Greubel, Jul 18 2017: (Start) G.f.: (72*x - 32)/(1-x)^2. E.g.f.: (40*x - 32)*exp(x). (End) MATHEMATICA NestList[#+40&, 8, 50] (* Harvey P. Dale, Oct 02 2013 *) PROG (MAGMA) [40*n-32: n in [1..50]]; // Vincenzo Librandi, Jun 19 2011 (PARI) a(n)=40*n-32 \\ Charles R Greathouse IV, Aug 25 2014 CROSSREFS Subsequence of A034709, together with A017281, A017293, A139222, A139245, A017329, A139249, A139264 and A139280. Sequence in context: A216323 A165037 A121028 * A250257 A067239 A152750 Adjacent sequences:  A139276 A139277 A139278 * A139280 A139281 A139282 KEYWORD nonn,easy AUTHOR Odimar Fabeny, Jun 06 2008 EXTENSIONS More terms from Reinhard Zumkeller, Jun 22 2008 New definition from Paolo P. Lava, Sep 06 2010 STATUS approved

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Last modified December 10 05:49 EST 2018. Contains 318044 sequences. (Running on oeis4.)