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A104626
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Numbers having three 1's in their base-phi representation.
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4
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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; internal format)
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OFFSET
| 1,1
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LINKS
| Anonymous, Golden ratio base, Wikipedia
Eric Weisstein's World of Mathematics, Phi Number System
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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]
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CROSSREFS
| Cf. A005248, A104627, A104628.
Cf. A065034 [Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Apr 29 2005]
Sequence in context: A143903 A006756 A080805 * A086726 A078885 A195355
Adjacent sequences: A104623 A104624 A104625 * A104627 A104628 A104629
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KEYWORD
| nonn
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Mar 17, 2005
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EXTENSIONS
| Terms 5 and 6 added [Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), May 25 2010]
Edited by R. J. Mathar, Sep 05 2010
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