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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A021559 Decimal expansion of 1/555. 4 0, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1 (list; constant; graph; refs; listen; history; text; internal format) OFFSET 0,4 LINKS Table of n, a(n) for n=0..98. Index entries for linear recurrences with constant coefficients, signature (0,0,1). FORMULA a(n) = (n+2)^3 mod 9, n>0. - Gary Detlefs, Feb 20 2011 G.f.: x^2*(1 + 8*x)/(1 - x^3). - Ilya Gutkovskiy, Jun 04 2016 EXAMPLE 0.00180180180180180180180180180180180... MATHEMATICA PadRight[{0}, 100, {8, 0, 1}] (* Paolo Xausa, Feb 22 2024 *) PROG (PARI) 1/555.0 \\ Michel Marcus, Jun 04 2016 CROSSREFS Sequence in context: A241215 A272343 A011314 * A167176 A354631 A195447 Adjacent sequences: A021556 A021557 A021558 * A021560 A021561 A021562 KEYWORD nonn,cons AUTHOR N. J. A. Sloane EXTENSIONS Formula corrected by Paolo P. Lava, Nov 20 2009 STATUS approved

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