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 A021337 Decimal expansion of 1/333. 3
 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (0,0,1). FORMULA a(n) = (1/3)*{4*(n mod 3)-2*[(n+1) mod 3]+[(n+2) mod 3]}. [Paolo P. Lava, Nov 10 2009] G.f.: 3*x^2/(1 - x^3). - Chai Wah Wu, Jun 21 2016 From Wesley Ivan Hurt, Jul 02 2016: (Start) a(n) = a(n-3) for n>2. a(n) = 1 - cos(2*n*Pi/3) - sqrt(3)*sin(2*n*Pi/3). a(n) = 3*(1 - sgn((n+1) mod 3)). a(n) = 1 + (n mod 3) - ((n+1) mod 3). (End) MAPLE seq(op([0, 0, 3]), n=0..50); # Wesley Ivan Hurt, Jul 02 2016 MATHEMATICA PadLeft[First@#, Abs@Last@# + Length@First@#]&@RealDigits[N[1/333, 100]] (* Vincenzo Librandi, Jun 22 2016 *) PadRight[{}, 100, {0, 0, 3}] (* Wesley Ivan Hurt, Jul 02 2016 *) PROG (MAGMA) &cat [[0, 0, 3]^^30]; // Wesley Ivan Hurt, Jul 02 2016 CROSSREFS Sequence in context: A117138 A292255 A095104 * A293903 A284444 A033685 Adjacent sequences:  A021334 A021335 A021336 * A021338 A021339 A021340 KEYWORD nonn,cons,easy AUTHOR STATUS approved

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Last modified October 14 14:06 EDT 2019. Contains 328017 sequences. (Running on oeis4.)