69672960

Appears in sequences

• (1/2)*A075998.at n=18A076001
• Triangle read by rows: T(m,k) = normalized partial derivative of (t,z) -> exp(t*g(z)) at (0,0), where 2*g(z) = 1 + exp(-2*z*g(z)).at n=33A078751
• Product of nonzero remainders of n mod k, for k = 1,2,3,...,n.at n=19A173392
• Number of length n words on alphabet {0,1,2,3} which contain all 16 of the 2-letter strings of the alphabet.at n=2A244044
• a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1.at n=19A282193
• For n > 3, a(n) = a(n-3) + lcm(a(n-3), n-2) with a(1)=6, a(2)=6, a(3)=6.at n=29A304821
• Number of double-closed subsets of {1..n}.at n=35A308546