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 A137217 A self-describing sequence: 2 odd digits between two even, then 3 odd digits between two even, then 5 odd digits between two even, then 6, then 7... The length of each run of odd digits is given by the sequence itself (the smallest available integer is used when needed). Zero is an even digit. 0
 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 19, 21, 31, 33, 35, 41, 51, 53, 55, 57, 61, 71, 73, 75, 77, 78, 79, 91, 93, 95, 97, 98, 99, 111, 113, 115, 116, 117, 119, 131, 133, 134, 135, 137, 139, 151, 153, 211, 311, 313, 315, 317, 319, 411, 511, 513, 515, 517, 519, 530 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE Runs of odd digits are between brackets: Seq: 2,(3,5),6,(7,9,1)0,(11,13,1)4,(15,17,19),2(1,31,33,35),4(1, Runs:....2........3.........5...........6............7.....= sequence itself. CROSSREFS Cf. A135604. Sequence in context: A004195 A324562 A083347 * A023705 A188070 A305847 Adjacent sequences:  A137214 A137215 A137216 * A137218 A137219 A137220 KEYWORD base,nonn AUTHOR Eric Angelini, Mar 06 2008 STATUS approved

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Last modified March 30 19:43 EDT 2020. Contains 333127 sequences. (Running on oeis4.)