A357924 Number of groups of order n with trivial center.

1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 2, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 1, 1, 0, 0, 2, 0, 0, 0, 1, 0, 2, 0, 2, 0, 1, 0, 5, 1, 1, 1, 1, 0, 3, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 6, 0, 1, 1, 0, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 0, 0, 2, 0, 0, 1, 1, 0, 5, 0, 2, 0, 5

Offset: 1

Author

Jianing Song, Oct 20 2022

Keywords

• nonn
• hard

Comments

A357900 is the main sequence.

Crossrefs

Cf. A357900, A060702 (indices of terms > 0).