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A357924
Number of groups of order n with trivial center.
0
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.
CROSSREFS
Cf. A357900, A060702 (indices of terms > 0).
Sequence in context: A059984 A046675 A275949 * A351563 A362983 A352822
KEYWORD
nonn,hard
AUTHOR
Jianing Song, Oct 20 2022
STATUS
approved