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 A171086 A "run" means a maximal string of numbers that includes exactly one odd number; this sequence has the property that the sequence of run lengths is the sequence itself and all natural numbers appear exactly once. 2
 1, 3, 2, 4, 5, 6, 7, 8, 10, 12, 9, 14, 16, 18, 20, 11, 22, 24, 26, 28, 30, 13, 32, 34, 36, 38, 40, 42, 15, 44, 46, 48, 50, 52, 54, 56, 17, 58, 60, 62, 64, 66, 68, 70, 72, 74, 19, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 21, 98, 100, 102, 104, 106, 108, 110 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Lars Blomberg, Table of n, a(n) for n = 1..10000 Eric Angelini, Runs E. Angelini, Runs [Cached copy, with permission] EXAMPLE If we insert a carriage return just before each odd number, we get: 1, 3, 2, 4, 5, 6, 7, 8, 10, 12, 9, 14, 16, 18, 20, 11, 22, 24, 26, 28, 30, 13, 32, 34, 36, 38, 40, 42, 15, 44, 46, 48, 50, 52, 54, 56, 17, 58, 60, 62, 64, 66, 68, 70, 72, 74, , 19, 76, 78, ... where the first column is the sequence of odd numbers. CROSSREFS Sequence in context: A089401 A035044 A359663 * A333324 A333470 A096135 Adjacent sequences: A171083 A171084 A171085 * A171087 A171088 A171089 KEYWORD nonn AUTHOR N. J. A. Sloane, Sep 07 2010, based on a posting to the Sequence Fans Mailing List by Eric Angelini, Aug 23 2010. EXTENSIONS a(50)-a(66) from Lars Blomberg, Nov 23 2013 STATUS approved

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Last modified September 29 03:45 EDT 2023. Contains 365749 sequences. (Running on oeis4.)