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A152674 Number of divisors of the numbers that are not squares. 1
2, 2, 2, 4, 2, 4, 4, 2, 6, 2, 4, 4, 2, 6, 2, 6, 4, 4, 2, 8, 4, 4, 6, 2, 8, 2, 6, 4, 4, 4, 2, 4, 4, 8, 2, 8, 2, 6, 6, 4, 2, 10, 6, 4, 6, 2, 8, 4, 8, 4, 4, 2, 12, 2, 4, 6, 4, 8, 2, 6, 4, 8, 2, 12, 2, 4, 6, 6, 4, 8, 2, 10, 4, 2, 12, 4, 4, 4, 8, 2, 12, 4, 6, 4, 4, 4, 12, 2, 6, 6, 2, 8, 2, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Even members of A000005.

LINKS

Table of n, a(n) for n=1..94.

FORMULA

a(n) = A000005(A000037(n)).

CROSSREFS

Cf. A000005, A000037.

Sequence in context: A201353 A072048 A161841 * A072056 A066012 A063375

Adjacent sequences:  A152671 A152672 A152673 * A152675 A152676 A152677

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Dec 10 2008

STATUS

approved

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Last modified January 20 11:11 EST 2020. Contains 331083 sequences. (Running on oeis4.)