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A133304 Number of distinct prime factors of A101291. +0
1
2, 3, 5, 5, 5, 6, 5, 5, 5, 4, 5, 4 (list; graph; listen)
OFFSET

1,1

LINKS

Dario Alpertron, Factorization using the Elliptic Curve Method.

EXAMPLE

The number of distinct prime factors of 45 is 2.

The number of distinct prime factors of 4905 is 3.

The number of distinct prime factors of 494550 is 5.

CROSSREFS

Cf. A101291.

Adjacent sequences: A133301 A133302 A133303 this_sequence A133305 A133306 A133307

Sequence in context: A096289 A131295 A102642 this_sequence A003660 A111164 A029910

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 18 2007

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.


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