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A073356 Greatest common divisor of squarefree kernel of n and sum of squarefree kernels of numbers <= n. 1
1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 5, 2, 17, 1, 1, 2, 7, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 3, 1, 1, 6, 1, 1, 3, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 53, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 14, 1, 1, 1, 2, 1, 1, 7, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(n) = GCD(A007947(n), A073355(n)).

LINKS

Table of n, a(n) for n=1..102.

CROSSREFS

Sequence in context: A184532 A016557 A073572 * A093032 A072115 A210650

Adjacent sequences:  A073353 A073354 A073355 * A073357 A073358 A073359

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 29 2002

STATUS

approved

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Last modified July 14 16:21 EDT 2020. Contains 335729 sequences. (Running on oeis4.)