A280002 Integers n such that A157752 (n) are primes.

1, 5, 10, 23, 30, 267

Offset

1,2

Comments

For n=9,13,17,18,20,22,41,..., A157752(n) is a semiprime (Cf. A280001).

Links

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

Crossrefs

Cf. A157752, A280001.

Sequence in context: A362284 A196240 A341638 * A260567 A257464 A295731

Adjacent sequences: A279999 A280000 A280001 * A280003 A280004 A280005

Keyword

nonn

Author

Zak Seidov, Feb 21 2017

Status

approved