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A049234 Number of divisors of p_k + 2, where p_k is k-th prime. 5
3, 2, 2, 3, 2, 4, 2, 4, 3, 2, 4, 4, 2, 6, 3, 4, 2, 6, 4, 2, 6, 5, 4, 4, 6, 2, 8, 2, 4, 4, 4, 4, 2, 4, 2, 6, 4, 8, 3, 6, 2, 4, 2, 8, 2, 4, 4, 9, 2, 8, 4, 2, 6, 4, 4, 4, 2, 8, 6, 2, 8, 4, 4, 2, 12, 4, 6, 4, 2, 8, 4, 3, 6, 8, 4, 8, 4, 8, 4, 4, 2, 6, 2, 8, 9, 4, 4, 8, 2, 8, 4, 4, 4, 4, 4, 4, 4, 2, 12, 4, 6, 4, 4 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

DivisorSigma[ 0, Prime[ n ]+2 ]

EXAMPLE

10th term is a(10)=d[ p(10)+2 ]=d[ 29+2 ]=d[ 29 ]=2

CROSSREFS

Sequence in context: A052901 A127807 A122028 * A125504 A075392 A069901

Adjacent sequences:  A049231 A049232 A049233 * A049235 A049236 A049237

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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Last modified February 14 18:33 EST 2012. Contains 205663 sequences.