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A105209 Nearest integer to the cube root of n. 0
1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

REFERENCES

Erwin Voellmy: Fuenfstellige Logarithmen und Zahlentafeln. Orell Fuessli Verlag. Zuerich (1962).

EXAMPLE

a(16) = 3 because 16^(1/3) = 2.519842...

MAPLE

for n from 1 to 200 do printf(`%d, `, round(n^(1/3))) od: (Sellers)

CROSSREFS

Sequence in context: A001069 A156877 A110591 * A179076 A095861 A111855

Adjacent sequences:  A105206 A105207 A105208 * A105210 A105211 A105212

KEYWORD

easy,nonn

AUTHOR

Pahikkala Jussi (pahio(AT)wakkanet.fi), Apr 13 2005

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Apr 21 2005

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.