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A130331 Number of divisors of A123240(n). 0
4, 4, 4, 6, 4, 4, 6, 6, 4, 4, 4, 4, 6, 6, 4, 4, 4, 9, 4, 4, 6, 6, 4, 10, 6, 4, 6, 4, 4, 4, 12, 4, 6, 7, 4, 6, 4, 12, 4, 6, 6, 4, 10, 4, 12, 4, 4, 4, 12, 4, 6, 4, 4, 4, 12, 6, 6, 9, 4, 12, 4, 10, 4, 6, 6, 4, 4, 16, 4, 4, 6, 4, 12, 4, 12, 4, 4, 12, 4, 4, 4, 15, 4, 4, 6, 6, 12, 6, 4, 12, 4, 4, 12, 4, 10, 6, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

By definition, each term is in A001690. - R. J. Mathar, Jan 15 2008

LINKS

Table of n, a(n) for n=1..97.

FORMULA

a(n) = A000005(A123240(n)) . - R. J. Mathar, Jan 15 2008

CROSSREFS

Cf. A000379, A123240.

Sequence in context: A074904 A010304 A164821 * A141241 A140696 A160401

Adjacent sequences:  A130328 A130329 A130330 * A130332 A130333 A130334

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Aug 07 2007

EXTENSIONS

More terms from R. J. Mathar, Jan 15 2008

STATUS

approved

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Last modified June 5 23:10 EDT 2020. Contains 334858 sequences. (Running on oeis4.)