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 A021169 Decimal expansion of 1/165. 0
 0, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS FORMULA a(n) = 3+3*(-1)^n-6*[C(2*n,n) mod 2], with n>=0. [Paolo P. Lava, Sep 23 2009] G.f.: 6*x^2/(1 - x^2). - Chai Wah Wu, Jun 21 2016 CROSSREFS Sequence in context: A217221 A158090 A010677 * A303494 A198368 A064373 Adjacent sequences:  A021166 A021167 A021168 * A021170 A021171 A021172 KEYWORD nonn,cons AUTHOR STATUS approved

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Last modified August 21 05:32 EDT 2019. Contains 326162 sequences. (Running on oeis4.)