913952

Appears in sequences

• Generalized Euler phi function (for p=3).at n=12A003474
• Numbers of the form p^4*q^5 where p and q are two distinct primes.at n=10A179702
• a(n) = 2*n^4.at n=26A244730
• Number of perfect matchings in graph P_{2n} X P_{2n} with a monomer on each corner.at n=3A260032
• Numbers m such that sigma(Product(p_j)) = sigma(Product(e_j)), where m = Product((p_i)^e_i) and sigma = A000203.at n=42A272859
• Numbers whose prime factors are 2 and 13.at n=41A288162
• Numbers n that can be written as both the sum of two nonzero fourth powers and the sum of three nonzero fourth powers.at n=6A336536
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(k^4).at n=25A343284
• Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(k^4).at n=25A343324