A103894 Number of divisors of prime(n)! / prime(n)# + 1.

2, 2, 2, 3, 4, 8, 8, 16, 4, 8, 4, 16, 16, 32, 8, 4, 8, 16, 64, 32, 32, 32, 32, 64, 32, 16, 32, 8, 128, 32

Offset

1,1

Links

Table of n, a(n) for n=1..30.

Reinhard Zumkeller, p(n)!/p(n )#+1

Formula

a(n) = A000005(A103890(n)).

Crossrefs

Cf. A000005, A103859, A103890, A103895.

Sequence in context: A368520 A095094 A275009 * A022868 A228405 A276824

Adjacent sequences: A103891 A103892 A103893 * A103895 A103896 A103897

Keyword

nonn,more

Author

Reinhard Zumkeller, Feb 20 2005

Extensions

a(28)-a(30) from Amiram Eldar, Feb 13 2020

Status

approved