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A285376 (A285374)/2. 3
2, 4, 6, 7, 9, 11, 13, 14, 16, 18, 20, 21, 23, 24, 26, 28, 30, 31, 33, 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, 82, 84, 86, 88, 89, 91, 93, 95, 96, 98, 100, 102, 103, 105, 106, 108, 110 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {1, 1, 1, 0}}] &, {0}, 10] (* A285373 *)

t = Flatten[Position[s, 0]]  (* A285374 *)

t/2 (* A285376)

CROSSREFS

Cf. A284373, A285374.

Sequence in context: A083089 A136617 A275814 * A198081 A081223 A184654

Adjacent sequences:  A285373 A285374 A285375 * A285377 A285378 A285379

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 26 2017

STATUS

approved

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Last modified October 17 16:34 EDT 2021. Contains 348065 sequences. (Running on oeis4.)