login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A284946 Positions of 1 in A284944; complement of A284945. 3
2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 34, 35, 36, 37, 39, 40, 41, 43, 44, 45, 48, 49, 50, 51, 53, 54, 55, 57, 58, 59, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 82, 83, 84, 85, 87, 88, 89, 91, 92 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  -1 < n*r - a(n) < 3 for n >= 1, where r = 2 + sqrt(2).

LINKS

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

EXAMPLE

As a word, A284938 = 011110..., in which 1 is in positions 12,3,4,5,7,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 1, 1, 0}}] &, {0}, 6] (* A284944 *)

Flatten[Position[s, 0]]  (* A284945 *)

Flatten[Position[s, 1]]  (* A284946 *)

CROSSREFS

Cf. A284945, A284946.

Sequence in context: A187681 A107750 A196736 * A285901 A246716 A212165

Adjacent sequences:  A284943 A284944 A284945 * A284947 A284948 A284949

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 18 2017

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified December 13 01:33 EST 2017. Contains 295954 sequences.