Odd Part
المؤلف:
Sloane, N. J. A.
المصدر:
Sequence A000265/M2222 in "The On-Line Encyclopedia of Integer Sequences."
الجزء والصفحة:
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20-8-2020
1072
Odd Part
The odd part 
of a positive integer 
is defined by
where 
is the exponent of the exact power of 2 dividing 
. 
is therefore the product of odd factors of 
. The values for 
, 2, ..., are 1, 1, 3, 1, 5, 3, 7, 1, 9, 5, 11, ... (OEIS A000265).
REFERENCES:
"Problem H-81." Fib. Quart. 6, 52, 1968.
Sloane, N. J. A. Sequence A000265/M2222 in "The On-Line Encyclopedia of Integer Sequences."
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