A072776 Exponents of powers of squarefree numbers.

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

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: A366895 A326515 A319864 * A077481 A278113 A242012

Adjacent sequences: A072773 A072774 A072775 * A072777 A072778 A072779

Keyword

nonn

Author

Reinhard Zumkeller, Jul 10 2002

Status

approved