The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A285402 Positions of 1 in A285177; complement of A285401. 3

%I

%S 3,6,9,12,13,14,15,16,19,22,25,28,31,32,33,34,35,38,41,44,47,50,51,52,

%T 53,54,57,60,63,66,69,70,71,72,73,76,77,78,79,80,83,84,85,86,87,90,91,

%U 92,93,94,97,98,99,100,101,104,107,110,113,116,117,118,119

%N Positions of 1 in A285177; complement of A285401.

%C Conjecture: a(n)/n -> (82 + sqrt(3))/47 = 1.781...

%H Clark Kimberling, <a href="/A285402/b285402.txt">Table of n, a(n) for n = 1..10000</a>

%e As a word, A285177 = 001001..., in which 0 is in positions 3,6,9,12,13,...

%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 0, 1}}] &, {0}, 10] (* A285117 *)

%t Flatten[Position[s, 0]] (* A285401 *)

%t Flatten[Position[s, 1]] (* A285402 *)

%Y Cf. A285177, A285401, A285403.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Apr 26 2017

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 25 10:57 EDT 2020. Contains 334592 sequences. (Running on oeis4.)