The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A062879

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A062879

Integers whose Zeckendorf expansion does not contain ones at even positions.
(history; published version)

#8 by N. J. A. Sloane at Mon Jan 20 12:59:24 EST 2020

STATUS

proposed

approved

#7 by Amiram Eldar at Mon Jan 20 03:41:06 EST 2020

STATUS

editing

proposed

#6 by Amiram Eldar at Mon Jan 20 03:10:29 EST 2020

MATHEMATICA

fibOddCount[n_] := Plus @@ (Reverse@IntegerDigits[n, 2])[[1 ;; -1 ;; 2]]; oddIndexed = fibOddCount /@ Select[Range[0, 10000], BitAnd[#, 2 #] == 0 &]; -1 + Position[oddIndexed, _?(# == 0 &)] // Flatten (* Amiram Eldar, Jan 20 2020 *)

#5 by Amiram Eldar at Mon Jan 20 03:09:21 EST 2020

FORMULA

A165276(a(n)) = 0. - Amiram Eldar, Jan 20 2020

CROSSREFS

Cf. A003714, A014417, A062880, A165276.

#4 by Amiram Eldar at Mon Jan 20 03:08:26 EST 2020

LINKS

Amiram Eldar, <a href="/A062879/b062879.txt">Table of n, a(n) for n = 1..10000</a>

#3 by Amiram Eldar at Mon Jan 20 03:08:08 EST 2020

OFFSET

0,1,2

FORMULA

A062880(n) = A003714(a(n)).

CROSSREFS

Bisection of A062877, subset of A022342. A062880[n] = A003714[A062879[n]]

Bisection of A062877.

Subset of A022342.

EXTENSIONS

Offset corrected by Amiram Eldar, Jan 20 2020

STATUS

approved

editing

#2 by Charles R Greathouse IV at Thu May 01 02:47:41 EDT 2014

AUTHOR

_Antti Karttunen _, Jun 26 2001

Discussion

Thu May 01

02:47

OEIS Server: https://oeis.org/edit/global/2208

#1 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

NAME

Integers whose Zeckendorf expansion does not contain ones at even positions.

DATA

0, 2, 5, 7, 13, 15, 18, 20, 34, 36, 39, 41, 47, 49, 52, 54, 89, 91, 94, 96, 102, 104, 107, 109, 123, 125, 128, 130, 136, 138, 141, 143, 233, 235, 238, 240, 246, 248, 251, 253, 267, 269, 272, 274, 280, 282, 285, 287, 322, 324, 327, 329, 335, 337, 340, 342, 356

OFFSET

0,2

CROSSREFS

Bisection of A062877, subset of A022342. A062880[n] = A003714[A062879[n]]

KEYWORD

nonn

AUTHOR

Antti Karttunen Jun 26 2001

STATUS

approved