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 A285344 (A285342)/2. 4
 1, 3, 4, 6, 8, 10, 11, 13, 14, 16, 18, 20, 21, 23, 25, 27, 28, 30, 32, 34, 35, 37, 38, 40, 42, 44, 45, 47, 48, 50, 52, 54, 55, 57, 59, 61, 62, 64, 66, 68, 69, 71, 72, 74, 76, 78, 79, 81, 83, 85, 86, 88, 90, 92, 93, 95, 96, 98, 100, 102, 103, 105, 107, 109 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 MATHEMATICA s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {1, 0, 1, 1}}] &, {0}, 10] (* A285341 *) u = Flatten[Position[s, 0]] (* A285342 *) Flatten[Position[s, 1]] (* A285343 *) u/2 (* A285344) CROSSREFS Cf. A284341, A285342, A285343. Sequence in context: A336822 A140497 A260479 * A342740 A187343 A189573 Adjacent sequences: A285341 A285342 A285343 * A285345 A285346 A285347 KEYWORD nonn,easy AUTHOR Clark Kimberling, Apr 25 2017 STATUS approved

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Last modified July 19 22:34 EDT 2024. Contains 374441 sequences. (Running on oeis4.)