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 A024026 a(n) = 3^n - n^3. 14
 1, 2, 1, 0, 17, 118, 513, 1844, 6049, 18954, 58049, 175816, 529713, 1592126, 4780225, 14345532, 43042625, 129135250, 387414657, 1162254608, 3486776401, 10460343942, 31381048961, 94143166660, 282429522657, 847288593818 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 FORMULA G.f.: (-1 + 5*x - 5*x^2 - 7*x^3 - 4*x^4)/((3*x-1)*(x-1)^4). - Maksym Voznyy (voznyy(AT)mail.ru), Aug 14 2009 MAPLE seq(3^n-n^3, n=0..25); # Zerinvary Lajos, Jul 01 2007 MATHEMATICA lst={}; Do[AppendTo[lst, (3^n-n^3)], {n, 0, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jan 15 2009 *) PROG (MAGMA) [3^n-n^3: n in [0..30]]; // Vincenzo Librandi, May 14 2011 (PARI) a(n)=3^n-n^3 \\ Charles R Greathouse IV, Jul 02 2013 CROSSREFS Sequence in context: A129467 A129065 A202700 * A269946 A009829 A202697 Adjacent sequences:  A024023 A024024 A024025 * A024027 A024028 A024029 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified October 21 08:47 EDT 2019. Contains 328292 sequences. (Running on oeis4.)