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A072776 Exponents of powers of squarefree numbers. 5
1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 5, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

A072774(n) = A072775(n)^a(n);

A072774(n) is squarefree iff a(n)=1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a072776 n = a072776_list !! (n-1)  -- a072776_list defined in A072774.

-- Reinhard Zumkeller, Apr 06 2014

CROSSREFS

Cf. A052409.

Sequence in context: A051904 A070012 A071178 * A077481 A278113 A242012

Adjacent sequences:  A072773 A072774 A072775 * A072777 A072778 A072779

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 10 2002

STATUS

approved

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Last modified December 17 14:12 EST 2018. Contains 318201 sequences. (Running on oeis4.)