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A035004 Number of divisors of the nonprimes. 7
1, 3, 4, 4, 3, 4, 6, 4, 4, 5, 6, 6, 4, 4, 8, 3, 4, 4, 6, 8, 6, 4, 4, 4, 9, 4, 4, 8, 8, 6, 6, 4, 10, 3, 6, 4, 6, 8, 4, 8, 4, 4, 12, 4, 6, 7, 4, 8, 6, 4, 8, 12, 4, 6, 6, 4, 8, 10, 5, 4, 12, 4, 4, 4, 8, 12, 4, 6, 4, 4, 4, 12, 6, 6, 9, 8, 8, 8, 4, 12, 8, 4, 10, 8, 4, 6, 6, 4, 4, 16, 3, 4, 4, 6, 4, 12, 8, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..98.

FORMULA

a(n) = A000005(A018252(n)). - Omar E. Pol, Jan 31 2013

PROG

(PARI) for(n=1, 33, if(isprime(n), n+1, print(numdiv(n))))

CROSSREFS

Cf. A002808.

Sequence in context: A090283 A019917 A085005 * A222290 A222430 A222275

Adjacent sequences:  A035001 A035002 A035003 * A035005 A035006 A035007

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 05 2001

EXTENSIONS

More terms from Lior Manor Aug 16 2001

STATUS

approved

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Last modified May 21 21:07 EDT 2013. Contains 225504 sequences.