26843545600
domain: N
Appears in sequences
- Number of Hamiltonian cycles in the 3-ary de Bruijn graph.at n=15A192513
- Numbers m for which sum of divisors of sum of divisors of m is a power of 2.at n=27A275674
- Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=34A286021
- Squares that can be expressed as the sum of two positive squares but not as the sum of three positive squares.at n=15A309779
- a(n) = the smallest number m such that gcd(tau(m), sigma(m)) = n where tau(k) = the number of the divisors of k (A000005) and sigma(k) = the sum of the divisors of k (A000203).at n=30A324554