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1,1

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

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

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

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

Sequence in context: A245070 A270226 A248138 * A294299 A125504 A243929

Adjacent sequences: A049231 A049232 A049233 * A049235 A049236 A049237

nonn

Labos Elemer

approved