10480142146
domain: N
Appears in sequences
- a(n) = Sum_{d | n} mu(n/d) * Bell(d-1).at n=16A034743
- a(n) = B(n) - 1, where B(n) = Bell numbers, A000110.at n=14A058692
- Number of arrays of n 0..14 integers with new values introduced in order 0..14 but otherwise unconstrained.at n=15A203645
- Number of primitive (aperiodic) palindromic structures of length n using an infinite alphabet.at n=30A284841
- Number of primitive (period n) periodic palindromic structures of length n using an infinite alphabet.at n=31A285042