390240domain: NAppears in sequencesNumber of ways of writing n as a sum of 8 squares.at n=29A000143Theta series of E_8 lattice with respect to deep hole.at n=28A004017a(0) = 1; for n>0, a(n) = 16 times sum of cubes of divisors of n.at n=29A092820a(n) = 16 times the sum of the cubes of the divisors of 2*n+1.at n=14A318937