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A049465 Replace each fraction p/q in Farey tree A007305/A007306 by 2p+q. 1
1, 3, 4, 5, 7, 6, 9, 11, 10, 7, 11, 14, 13, 15, 18, 17, 13, 8, 13, 17, 16, 19, 23, 22, 17, 19, 26, 29, 25, 24, 27, 23, 16, 9, 15, 20, 19, 23, 28, 27, 21, 24, 33, 37, 32, 31, 35, 30, 21, 23, 34, 41, 37, 40, 47, 43, 32, 31, 41, 44, 37, 33, 36, 29, 19, 10, 17, 23, 22 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

J. C. Lagarias, Number Theory and Dynamical Systems, pp. 35-72 of S. A. Burr, ed., The Unreasonable Effectiveness of Number Theory, Proc. Sympos. Appl. Math., 46 (1992). Amer. Math. Soc.

FORMULA

Equals 2*A007305+A007306.

CROSSREFS

Sequence in context: A154665 A056190 A202702 * A196122 A071054 A033545

Adjacent sequences:  A049462 A049463 A049464 * A049466 A049467 A049468

KEYWORD

nonn,easy,tabf

AUTHOR

Gregory Richardson (omomom(AT)hotmail.com)

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.