6448000domain: NAppears in sequencesTheta series of D*_32 lattice.at n=5A022085Number of ways of writing n as the sum of 2^n squares.at n=5A166947Number of ways of writing n as a sum of 32 squares.at n=5A302856a(n) = (4/15)*n*(n - 1)*(n^3 - 9*n^2 + 26*n - 9).at n=32A319576