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A110393
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Modified Look-and-Say sequence where 2 is the largest number that may be used.
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1
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1, 11, 21, 1211, 111221, 21112211, 1221112221, 11222111221211, 212212211122111221, 121122112221112221112211, 111221222122122111221221112221, 2111221122121122112221112211222111221211
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OFFSET
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0,2
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COMMENTS
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The ratio r(n) of the number of "1"s to the number of "2"s in the sequence converges to (4*phi^(3/2)+5*phi+sqrt(phi)+3) / (4*phi^(3/2)+5*phi+3*sqrt(phi)+3) = 0.890054... as n goes to infinity, where phi = (1+sqrt(5))/2 is the golden ratio. [Nathaniel Johnston, Jan 13 2011]
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LINKS
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CROSSREFS
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KEYWORD
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base,easy,nice,nonn
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AUTHOR
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Levi Kryder (seelevrun(AT)hotmail.com), May 11 2006
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STATUS
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approved
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