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 A021081 Decimal expansion of 1/77. 0
 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS FORMULA From Chai Wah Wu, Jun 05 2016: (Start) a(n) = a(n-1) - a(n-3) + a(n-4) for n > 3. G.f.: x*(1 + x + 7*x^2)/(1 - x + x^3 - x^4). (End) CROSSREFS Sequence in context: A274195 A021975 A192599 * A018799 A076219 A077601 Adjacent sequences:  A021078 A021079 A021080 * A021082 A021083 A021084 KEYWORD nonn,easy,cons AUTHOR STATUS approved

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Last modified May 26 22:58 EDT 2020. Contains 334634 sequences. (Running on oeis4.)