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A105069 Number of distinct prime divisors of 100^n - 3. 3
1, 2, 2, 2, 2, 2, 2, 4, 4, 4, 2, 2, 3, 3, 3, 4, 2, 4, 3, 5, 5, 4, 4, 5, 4, 4, 2, 4, 5, 4 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n) = A001221(100^n-3).

EXAMPLE

If n=1, then 100^1 - 3 = 97 which is prime so the first term is 1.

MAPLE

A105069 := proc(n) 100^n-3 ; numtheory[factorset](%) ; nops(%) ; end proc: # R. J. Mathar, Aug 24 2011

CROSSREFS

Sequence in context: A168514 A060447 A118177 * A172008 A100825 A202709

Adjacent sequences:  A105066 A105067 A105068 * A105070 A105071 A105072

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 05 2005

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.