8128512

Appears in sequences

• Number of strongly triple-free subsets of {1, 2, ..., n}.at n=30A050295
• Product of nonzero digits of A066551(n).at n=11A066583
• a(n) = Product_{d|n} (tau(d)*sigma(d)) where tau(k) = the number of divisors of k (A000005) and sigma(k) = the sum of the divisors of k (A000203).at n=11A324987
• Number of copies of the star graph S(2,2,1) contained within the n-dimensional hypercube graph.at n=8A352994