476672

Appears in sequences

• Number of ways of writing n as a sum of 8 squares.at n=31A000143
• Theta series of E_8 lattice with respect to deep hole.at n=30A004017
• a(0) = 1; for n>0, a(n) = 16 times sum of cubes of divisors of n.at n=31A092820
• Numbers n such that phi(n)*sigma(n)=phi(n-1)*sigma(n-1) (phi is the Euler totient function A000010 and sigma is the sum-of-divisors function A000203).at n=15A140790
• a(n) = 16 times the sum of the cubes of the divisors of 2*n+1.at n=15A318937