102247562

Appears in sequences

• Moebius transform of numbers of preferential arrangements.at n=11A006936
• E.g.f.: (exp(x)-1)^2/(2-exp(x)).at n=10A052875
• Number of ordered set partitions of [n] with at most nine elements per block.at n=10A276929
• Number of length n primitive (aperiodic) palindromes with integer entries that cover an initial interval of positive integers.at n=19A327874
• Number of primitive (period n) periodic palindromes with integer entries that cover an initial interval of positive integers.at n=19A327879
• Number of ordered partitions of an n-set without blocks of size 10.at n=10A343793