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Number of nonzero Fibonacci numbers of length n.

+0
10

6, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 5, 4, 5, 5, 5, 4, 5, 5, 5, 5 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`If n>1 then a(n) = 4 or 5. - Robert Gerbicz (gerbicz(AT)freemail.hu), Sep 05 2002` `The sequence is almost periodic, see also A072353. - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Apr 14 2005`
	REFERENCES	`Juergen Spilker, Die Ziffern der Fibonacci-Zahlen, Elemente der Mathematik 58 (Birkhaeuser 2003).`
	LINKS	`Ron Knott, The Fibonacci Numbers.` `Ron Knott, Fibonacci Numbers and the Golden Section` `Ron Knott, [Number of digits in Fib(i)] : Calculator.` `Eric Weisstein's World of Mathematics, Fibonacci Number` `Eric Weisstein's World of Mathematics, Almost Periodic Function`
	EXAMPLE	`At length 1 there are 6 such numbers -> 1, 1, 2, 3, 5 and 8.`
	CROSSREFS	`Cf. A000045. See A098842 for another version.` `Cf. A105563, A105565, A060384.` `Sequence in context: A021862 A011485 A084339 this_sequence A021608 A108088 A137727` `Adjacent sequences: A050812 A050813 A050814 this_sequence A050816 A050817 A050818`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1999.`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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