18512791

Appears in sequences

• Number of necklaces of sets of beads containing a total of n beads.at n=28A008965
• a(n) = ceiling(2^n/n).at n=28A053638
• Number of sets of distinct positive integers whose arithmetic mean is an integer, the largest integer of the set being n.at n=28A082550
• a(n) = A159068(n)/n.at n=28A159069
• a(n) is the index of the smallest n-gonal number with exactly n prime factors (counted with multiplicity).at n=28A359014
• Number of strictly convex unit-sided polygons with all internal angles equal to a multiple of Pi/n, treating polygons that have a unique mirror image as distinct but ignoring rotational copies.at n=28A361659