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A086415 Maximal exponent in prime factorization of 3-smooth numbers. 3
0, 1, 1, 2, 1, 3, 2, 2, 4, 2, 3, 3, 5, 2, 4, 3, 6, 3, 4, 5, 3, 7, 4, 4, 6, 3, 5, 8, 5, 4, 7, 4, 5, 9, 6, 4, 6, 8, 5, 5, 10, 7, 4, 6, 9, 6, 5, 11, 7, 8, 5, 6, 10, 7, 5, 12, 7, 9, 6, 6, 11, 8, 8, 5, 13, 7, 10, 7, 6, 12, 8, 9, 6, 14, 7, 11, 9, 8, 6, 13, 8, 10, 7, 15, 7, 12, 9, 9, 6, 14, 8, 11, 10 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

COMMENTS

a(n) = A051903(A003586(n));

A086414(n) <= a(n) <= A069352(n).

CROSSREFS

Sequence in context: A199133 A199246 A200649 * A069013 A029281 A126792

Adjacent sequences:  A086412 A086413 A086414 * A086416 A086417 A086418

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 18 2003

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.