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A105973 Number of distinct prime divisors of 88...883 (with n 8s). +0
1
1, 1, 3, 1, 2, 2, 1, 1, 5, 2, 3, 3, 2, 1, 4 (list; graph; listen)
OFFSET

0,3

EXAMPLE

The number of distinct prime divisors of 83 is 1 (prime).

The number of distinct prime divisors of 883 is 1 (prime).

The number of distinct prime divisors of 8883 is 3.

CROSSREFS

Cf. A104660, A104518, A104660.

Sequence in context: A046804 A056529 A087282 this_sequence A088429 A111951 A107033

Adjacent sequences: A105970 A105971 A105972 this_sequence A105974 A105975 A105976

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 28 2005

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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