|
| |
|
|
A104626
|
|
Numbers having three 1's in their base-phi representation.
|
|
4
|
|
|
|
4, 5, 6, 8, 19, 48, 124, 323, 844, 2208, 5779, 15128, 39604, 103683, 271444, 710648, 1860499, 4870848, 12752044, 33385283, 87403804, 228826128, 599074579, 1568397608, 4106118244, 10749957123, 28143753124, 73681302248
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Table of n, a(n) for n=1..28.
Wikipedia, Golden ratio base
Eric Weisstein's World of Mathematics, Phi Number System
|
|
|
FORMULA
|
{n: A055778(n) = 3}. - R. J. Mathar, Sep 05 2010
a(n) = Lucas(2n-4) + 1, for n>3. - Ralf Stephan, Nov 13 2010
|
|
|
CROSSREFS
|
Cf. A005248, A104627, A104628, A065034.
Sequence in context: A006756 A067652 A080805 * A242955 A086726 A078885
Adjacent sequences: A104623 A104624 A104625 * A104627 A104628 A104629
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Eric W. Weisstein, Mar 17 2005
|
|
|
EXTENSIONS
|
Terms 5 and 6 added by Jaroslav Krizek, May 25 2010
Edited by R. J. Mathar, Sep 05 2010
|
|
|
STATUS
|
approved
|
| |
|
|
