A049234 - OEIS

A049234

Number of divisors of prime(n) + 2.

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

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..103.

EXAMPLE

10th term is a(10) = d(prime(10)+2) = d(29+2) = d(29) = 2 .

MATHEMATICA

Table[DivisorSigma[0, Prime[n]+2], {n, 1, 103}]

PROG

(PARI) a(n) = numdiv(prime(n)+2); \\ Michel Marcus, Dec 15 2013

CROSSREFS