A049466 - OEIS

A049466

Replace each fraction p/q in Farey tree A007305/A007306 with 3p+q.

1, 4, 5, 6, 9, 7, 11, 14, 13, 8, 13, 17, 16, 19, 23, 22, 17, 9, 15, 20, 19, 23, 28, 27, 21, 24, 33, 37, 32, 31, 35, 30, 21, 10, 17, 23, 22, 27, 33, 32, 25, 29, 40, 45, 39, 38, 43, 37, 26, 29, 43, 52, 47, 51, 60, 55, 41, 40, 53, 57, 48, 43, 47, 38, 25, 11, 19, 26, 25

(list; graph; refs; listen; history; text; 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.

LINKS

Table of n, a(n) for n=0..68.

FORMULA

Equals 3*A007305+A007306.

CROSSREFS

Sequence in context: A078885 A275322 A195355 * A196551 A139546 A369352

Adjacent sequences: A049463 A049464 A049465 * A049467 A049468 A049469

KEYWORD

nonn,easy,tabf

AUTHOR

Gregory V. Richardson

STATUS

approved