A285385 - OEIS

A285385

Positions of 1 in A285384; complement of A072939.

1, 2, 4, 5, 6, 8, 10, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 26, 28, 29, 30, 32, 34, 36, 37, 38, 40, 42, 44, 45, 46, 48, 49, 50, 52, 53, 54, 56, 58, 60, 61, 62, 64, 65, 66, 68, 69, 70, 72, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 90, 92, 93, 94, 96, 98

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

FORMULA

a(n) = A171946(n) for n>=2.

a(n + 1) = a(n) + A096268(a(n) - 1) + 1 for all n > 0. (conjecture) - Velin Yanev, Mar 23 2019

EXAMPLE

As a word, A285384 = 11011101..., in which the positions of 1 are 1,2,4,5,6,8,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1}}] &, {0}, 16] (* A285384 *)