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A062565 Squarefree parts of 3-smooth numbers. 0
1, 2, 3, 1, 6, 2, 1, 3, 1, 2, 6, 3, 2, 1, 3, 6, 1, 2, 1, 6, 3, 2, 1, 2, 3, 6, 3, 1, 2, 1, 6, 3, 6, 2, 1, 2, 1, 3, 6, 3, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

3-smooth numbers are those expressible as 2^i*3^j, where i, j >= 0 (A003586). The tenth 3-smooth number is 18, in which the largest square is 9. 18/9 = 2, so a(10)=2.

CROSSREFS

A003586.

Sequence in context: A189036 A174665 A083855 * A175137 A156344 A119440

Adjacent sequences:  A062562 A062563 A062564 * A062566 A062567 A062568

KEYWORD

nonn

AUTHOR

N. Fernandez (primeness(AT)borve.org), Jul 03 2001

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Last modified February 17 05:54 EST 2012. Contains 205985 sequences.