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 A021576 Decimal expansion of 1/572. 0
 0, 0, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1, 7, 4, 8, 2, 5, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS FORMULA a(n) = (1/30)*{39*(n mod 6)-11*[(n+1) mod 6]+24*[(n+2) mod 6]-21*[(n+3) mod 6]+29*[(n+4) mod 6]-6*[(n+5) mod 6]}-2*[C(2*n,n) mod 2]-5*{C[(n+1)^2,n+3] mod 2}, with n>=0. - Paolo P. Lava, Nov 20 2009 From Chai Wah Wu, Jun 13 2020: (Start) a(n) = a(n-1) - a(n-3) + a(n-4) for n > 5. G.f.: x^2*(-5*x^3 + 3*x^2 - 6*x - 1)/(x^4 - x^3 + x - 1). (End) CROSSREFS Sequence in context: A133055 A303133 A195384 * A222183 A010509 A161166 Adjacent sequences:  A021573 A021574 A021575 * A021577 A021578 A021579 KEYWORD nonn,cons AUTHOR STATUS approved

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Last modified May 26 13:59 EDT 2022. Contains 354092 sequences. (Running on oeis4.)