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 A081286 For n<=11, a(n) = n mod 10. For even n>11, a(n) = (2a(n-1)+1) mod 10. For odd n>11, a(n) = (a(n-1)+a(i+1)) mod 10, where i is the largest integer < n-1 such that a(i)=a(n-1). 0
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 3, 7, 5, 1, 3, 0, 1, 4, 9, 9, 9, 8, 7, 2, 5, 6, 3, 3, 7, 9, 9, 8, 7, 6, 3, 0, 1, 5, 1, 6, 3, 3, 7, 3, 7, 0, 1, 7, 5, 6, 3, 0, 1, 8, 7, 2, 5, 1, 3, 3, 7, 9, 9, 8, 7, 6, 3, 0, 1, 4, 9, 7, 5, 6, 3, 3, 7, 2, 5, 1, 3, 0, 1, 4, 9, 6, 3, 3, 7, 9, 9, 8, 7, 6, 3, 0, 1, 5, 1, 6, 3, 3, 7 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS The sequence has period 60 starting with a(27). LINKS CROSSREFS Cf. A080867. Sequence in context: A187844 A007954 A079475 * A080867 A095187 A218978 Adjacent sequences:  A081283 A081284 A081285 * A081287 A081288 A081289 KEYWORD nonn,easy AUTHOR Dean Hickerson, based on information supplied by Laurent Dorey and Antti Karttunen, Mar 15 2003. STATUS approved

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Last modified October 26 08:06 EDT 2020. Contains 338027 sequences. (Running on oeis4.)