-140736domain: ZAppears in sequencesTriangle read by rows: T(n,k) = (-1)^(n-k) * r16(n-k) * 2^(3*b(k)) * sigma_3(O(k)), for k=1 to n, for n>=1 (see comments for terms used).at n=15A193354Expansion of theta_4(q)^16 in powers of q = exp(Pi i t).at n=5A319307