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A046796 Arithmetic, geometric and harmonic means of A046797(n) and a(n) all integers. 1
40, 45, 80, 90, 120, 135, 160, 180, 200, 225, 234, 240, 270, 280, 315, 320, 325, 360, 400, 405, 425, 440, 450, 468, 480, 495, 520, 540, 544, 560, 585, 600, 630, 640, 650, 675, 680, 702, 720, 760, 765, 800, 810, 840, 850, 855, 880, 900, 920, 936, 945, 960, 975, 990 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Mohammad K. Azarian, AM - GM Strikes Again, Problem 451, College Mathematics Journal, Vol. 22, No. 3, May 1991, p. 255.  Solution published in Vol. 23, No. 3, May 1992, pp. 248-249.

Mohammad K. Azarian, An Application of the Inequality on the Means, Problem B-635, Fibonacci Quarterly, Vol. 27, No. 1, Feb. 1989, p.87.  Solution published in Vol. 28, No. 1, Feb. 1990, pp. 86-87.

LINKS

Table of n, a(n) for n=1..54.

CROSSREFS

Sequence in context: A095505 A095497 A046429 * A204746 A197734 A114839

Adjacent sequences:  A046793 A046794 A046795 * A046797 A046798 A046799

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified December 21 01:10 EST 2014. Contains 252291 sequences.