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 A233836 Run lengths of ones and zeros in binary expansion of sqrt(2), cf. A004539. 5
 1, 1, 2, 1, 1, 1, 1, 5, 1, 2, 4, 2, 2, 2, 2, 2, 7, 2, 3, 1, 4, 2, 2, 2, 1, 2, 1, 4, 1, 3, 1, 1, 2, 2, 1, 1, 5, 1, 2, 3, 1, 2, 2, 1, 2, 2, 2, 1, 3, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 5, 1, 1, 2, 5, 3, 3, 1, 1, 1, 2, 1, 4, 1, 2, 5, 1, 1, 3, 1, 1, 1, 1, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 EXAMPLE . A004539: 1 0 1 1 0 1 0 1 0 0 0 0 0 1 0 0 1 1 1 1 0 0 1 1 0 0 1 1 ... . runs: _ _ ___ _ _ _ _ _________ _ ___ _______ ___ ___ ___ ___ ... . lengths: 1 1 2 1 1 1 1 5 1 2 4 2 2 2 2 ... MATHEMATICA Length/@Split[RealDigits[Sqrt[2], 2, 300][[1]]] (* Harvey P. Dale, Oct 11 2020 *) PROG (Haskell) import Data.List (group) a233836 n = a233836_list !! (n-1) a233836_list = map length \$ group a004539_list CROSSREFS Cf. A084186, A084187, A175911. Sequence in context: A274835 A275069 A181937 * A214719 A356299 A327858 Adjacent sequences: A233833 A233834 A233835 * A233837 A233838 A233839 KEYWORD nonn AUTHOR Reinhard Zumkeller, Dec 16 2013 STATUS approved

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Last modified September 30 19:54 EDT 2023. Contains 365793 sequences. (Running on oeis4.)