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

1,18

Comments

A357900 is the main sequence.

Links

Table of n, a(n) for n=1..100.

Crossrefs

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

Sequence in context: A059984 A046675 A275949 * A351563 A362983 A352822

Adjacent sequences: A357921 A357922 A357923 * A357925 A357926 A357927

Keyword

nonn,hard

Author

Jianing Song, Oct 20 2022

Status

approved