cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A110393 Modified Look-and-Say sequence where 2 is the largest number that may be used.

Original entry on oeis.org

1, 11, 21, 1211, 111221, 21112211, 1221112221, 11222111221211, 212212211122111221, 121122112221112221112211, 111221222122122111221221112221, 2111221122121122112221112211222111221211
Offset: 0

Views

Author

Levi Kryder (seelevrun(AT)hotmail.com), May 11 2006

Keywords

Comments

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]

Links

Crossrefs

Cf. A005150, A179999.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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