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A072751 Greatest of the most frequent prime factors of squarefree numbers <= n; a(1)=1. 4
1, 2, 3, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

a(n)=2 for n>14.

CROSSREFS

Cf. A005117, A072747, A072748, A072749, A072750.

Sequence in context: A123221 A197032 A172984 * A131971 A100742 A001269

Adjacent sequences:  A072748 A072749 A072750 * A072752 A072753 A072754

KEYWORD

nonn,nice

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 08 2002

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Last modified February 15 17:43 EST 2012. Contains 205830 sequences.