A275197 Numbers k such that A000005(k) does not divide A000005(k!).

4, 6, 9, 10, 16, 64

Offset

1,1

Comments

All terms are composite.

It is not known if other terms exist.

Links

Table of n, a(n) for n=1..6.

Example

4 is a term because A000005(4!) = 8 is not divisible by A000005(4) = 3.

Prog

(PARI) isok(n) = numdiv(n!) % numdiv(n) != 0

Crossrefs

Cf. A000005, A027423.

Sequence in context: A077554 A262812 A287296 * A118778 A108635 A071964

Adjacent sequences: A275194 A275195 A275196 * A275198 A275199 A275200

Keyword

nonn,more

Author

Altug Alkan, Jul 19 2016

Status

approved